| ICS 75.020 E 12 | ICS 75. 020 E 12 |
| 備案號:18064—2006 | Ref. No. : 18064—2006 |
| 中華人民共和國 | The Peopled Republic ofChina |
| 石油天然氣行業(yè)標(biāo)準(zhǔn) | Standard of Petroleum and Natural GasIndustry |
| SY/T 6172—2006 | SY/T 6172—2006 |
| 代替 SY/T 6172—1995, SY/T 6261—1996,SY/T 6363—1998, SY/T 6533—2002, SY/T 5869—1993 | ReplacingSY/T 6172—1995, SY/T 6261 — 1996, SY/T 6363—1998, SY/T 6533—2002,SY/T 586(> 1993 |
| 油田試井技術(shù)規(guī)范 | Technical specification for well Testing ofoilfield |
| 2006—07 —10發(fā)布 | Issued Date; 07—10—2006 |
| 2007-01-01實施 | Implementation Date: 01—01—2007 |
| 國家發(fā)展和改革委員會發(fā)布 | Issued by National Development and ReformCommission, P. R. C |
| 目 次 | Contents |
| 附錄A (規(guī)范性附錄)符號注釋 | Annex A(Normative) Symbolsannotation |
| 前 言 | Foreword |
| 本標(biāo)準(zhǔn)由SY/T 6172--1995《油井試井技術(shù)要求》、SY/T6261-1996《注水井壓力降落資料解釋分析方法h SY/T 6363—1998《不穩(wěn)定試井技術(shù)要求》、SY/T6533-2002《穩(wěn)定試井測試及解釋方法》和SY/T5869—1993《自噴井井下壓力常規(guī)測試》五個標(biāo)準(zhǔn)整合修訂而成。此次整合修訂的主要內(nèi)容包括: | This standard is revised on the basis of thefol?lowing five standards: SY/T 6172—1995 Technical requirementsfor oil well testing, SY/T 6261 1996 Interpretation method for thepressure falloff test in "water injection wells. SY/T 6363―1998Technical requirements of transient -well test , SY/T 6533—2002Steady well testing and its data interpretation methods, SY/T5869—1993 Downhole pressure conventional test of flowing well. Themain items of revising are as follows; |
| ——將SY/T 6172-1995和SY/T6363-1998中內(nèi)容重復(fù)部分進(jìn)行了整合、精簡; | 一The same articles or similar ones of SY/T6172—1995 and SY/T 6363—1998 are incorporated andsimplified; |
| ——將上述五個標(biāo)準(zhǔn)附表中的常用公式進(jìn)行了省略; | 一The common used equations in the attached listare canceled; |
| ——將上述五個標(biāo)準(zhǔn)的符號注釋部分進(jìn)行了合并、重寫; | —The symbol annotations of the above mentionedfive standards are incorporated and rewritten; |
| ——對有關(guān)條款的內(nèi)容進(jìn)行了精簡, | 一Some other articles are simplified; |
| ——增加了電纜作業(yè)電子壓力溫度測試和毛細(xì)鋼管井下壓力測試方面的內(nèi)容。 | 一The downhole pressure and lemperaturemeassurement with electronic pressure gauge by wireline operationand the downhole pressure measurement with steel capillary pipe aresuperinduced to this standard |
| 本標(biāo)準(zhǔn)由油氣田開發(fā)專業(yè)標(biāo)準(zhǔn)化委員會提出并歸口。 | Thp standard was proposed hy The Technicalcommittee of Standardization for Oil and Gas Field Development, itis under the jurisdiction of The Technical Committee ofStandardization for Oil and Gas FieldDevelopment. |
| 本標(biāo)準(zhǔn)起草單位:中國石油天然氣股份有限公司華北油田分公司勘探開發(fā)研究院。 | The standard is drafted by the Exploration andDevelopment Research Institute of Huabei Oil?field Company,PetroChina. |
| 本標(biāo)準(zhǔn)起草人:盂慶春、張宗達(dá)、朱業(yè)東、張輝。 | The main drafters of this standard are MengQingchun- Zhang Zongda, Zhu Yadong and Zhang Hui, |
| 英文翻譯主要單位:中油測井技術(shù)服務(wù)有限責(zé)任公司、大慶石油學(xué)院。本標(biāo)準(zhǔn)主要翻譯人:劉能強(qiáng)、宋考平、張建國。 | This standard is translated primarily by LiuNengqiang from China National Logging Corp., Song Kaoping and ZhangJianguo from Daqing Petroleum Institute. |
| 本標(biāo)準(zhǔn)所代替標(biāo)準(zhǔn)的歷次版本發(fā)布情況為: | The former standards replaced by this standardare; |
| 本標(biāo)準(zhǔn)以中文和英文兩種文字出版。當(dāng)英文和中文兩種版本有歧義時,以中文版本為準(zhǔn)。 | This standard is published in both Chinese andEnglish. In the event of any discrepancy between the texts, theChinese version shall prevail |
| 油田試井技術(shù)規(guī)范 | Technical specification for well testing ofoilfield |
| 1. 范圍 | 1 Scope |
| 本標(biāo)準(zhǔn)規(guī)定了油田試井測試方法、資料錄取和解釋的技術(shù)要求。 | This standard specifies the technicalrequirements of test method, data acquisition and interpretation ofwell test. |
| 本標(biāo)準(zhǔn)適用于采油井和注水井的試井設(shè)計、錄取資料要求和解釋成果的應(yīng)用等。 | This standard is applicable to well test design,data acquisition and interpretation of oil wells and waterinjection wells, and the application of the interpretationresults. |
| 2. 規(guī)范性引用文件 | 2 Nonnativereference |
| 下列文件中的條款通過本標(biāo)準(zhǔn)的引用而成為本標(biāo)準(zhǔn)的條款。凡是注日期的引用文件,其隨后所有的修改單(不包括勘誤的內(nèi)容)或修訂版均不適用于本標(biāo)準(zhǔn),然而,鼓勵根據(jù)本標(biāo)準(zhǔn)達(dá)成協(xié)議的各方研究是否可使用這些文件的最新版本。凡是不注日期的引用文件,其最新版本適用于本標(biāo)準(zhǔn)。 | The following normative documents containprovisions which, through reference in this standard, constituteprovisions of this standard. For dated references, subsequentamendments to, or revisions of, any of these publications (excludeerrata) do not apply. However, parties to agreements based on thisstandard are encouraged to investigate the possibility of applyingthe most recent editions of the normative documents indicatedbelow. For undated references, the latest e-dition of the normativedocument referred to ap?plies, |
| SY/T5098石油下井儀表用計時器技術(shù)條件 | SY/T 5098Technical conditions for the calculagraph used in donmholeinstruments |
| SY/T5099石油下井儀器溫度、壓力分級及其匹配 | SY/T5099 Gradingand matching of downhole imtruments according to measuredtemperature and pressure |
| SY/T5387常規(guī)原油油藏試采地質(zhì)技術(shù)要求 | SY/T 5387Geologic technical requirements of production test in conventionaloil reservoir |
| SY/T5483常規(guī)地層測試技術(shù)規(guī)程 | SY/T 5483Technical specification of conventional formationtesting |
| SY/T5968探井試油試采資料質(zhì)量評定方法 | SY/T 5968 Assessment methods of the data qualityof well testing and production test in explorationwells |
| SY/T6013常規(guī)試油資料錄取規(guī)范 | SY/T 6013 Specification of data acquisition ofconventional well test |
| SY/T6102油田開發(fā)監(jiān)測及取資料要求 | SY/T 6102Oil field development monitoring and data requirement |
| 3. 試井設(shè)計 | 3 Well testdesign |
| 3.1 試井目的 | 3. 1Purposes of welt test |
| 3.1.1確定油藏的地層壓力、地層溫度、流動壓力及流動壓力梯度。 | 3.1.1 To determine theformation pressure, formation temperature, flowing pressure andflowing pressure gradient. |
| 3.1.2求取油井的產(chǎn)能方程和注水井吸水指數(shù),了解油井的生產(chǎn)能力和注水井的吸水能力。 | 3.1.2 To derive thedeliverEbility equation of the tested oil well, to determine thewater injec-tivity index of the tested water injection well- so asto realize the productivity of the tested oil well or theinjectivity of the tested water injec?tion well. |
| 3.1.3了解油藏的邊界類型和距離,求取地層滲流特征參數(shù),計箅動態(tài)儲量。 | 3.1.3 To detect the type of the boundaries ofthe reservoir and the distances from the tested well to theboundaries;to calculate the physical characteristic parameters andthe dynamic reserves of the reservoir. |
| 3.1.4了解地層的完善程度,為制定增產(chǎn)措施、評價措施效果提供依據(jù)。 | 3.1.4 To determine thecompletion factor of the tested well and to provide information forstimulation treatment and evaluation of the treatmenteffect, |
| 3.1.5分析采油井、注水井的生產(chǎn)狀況,確定其最佳工作制度。 | 3.1.5 To analyze theproduction of the tested oil well or the injection of the testedwater injec?tion well, so as to determine the optimal flowrate. |
| 3.2 測試井、層的基礎(chǔ)數(shù)據(jù) | 3.2 Basic information of the tested well and thetested formation |
| 3.2.1并的基礎(chǔ)數(shù)據(jù)。井的基礎(chǔ)數(shù)據(jù)包括: 地理位置; 構(gòu)造位置; 井別; 油層中深; 最大井斜深度; 總方位, 傾角; 完鉆日期; 完鉆井深;完井日期; 完井方式; 人工井底。 | 3.2.1 Basic information of the tested welh Itincludes: geographic location of the well; structural location ofthe well; the type of the well; mid-depth of the formation; thedepth of the borehole where the maximum deviation appears; theazimuth of the well;dip angle of the well; finishing driiling dace;total depth of the well; completion date; completionmode; depth of arlificial wellbottom. |
| 3.2.2 目前井身結(jié)構(gòu)及生產(chǎn)管柱結(jié)構(gòu)示意圖。 | 3. 2.2 Theschemaiic drawings of the existing casing program and the flowstring structure. |
| 3.2.3測試層數(shù)據(jù)。測試層數(shù)據(jù)包括: | 3.2.3 Basic information of thetested formation. It concludes- |
| 測試層的層位、層號; 解釋井段; | horizon and its number; interpretationinterval(s); |
| 射孔井段: 射開厚度; 儲層巖性; 有效厚度; 孔隙度; 滲透率;試油成果; | perforated interval(s);thickness of theperforated interval(s); lithology of the formation; effectivethickness;porosity; permeability; well test results; |
| 試油結(jié)論及作業(yè)措施情況。 | conclusion of well test and information aboutthe operation and measures for the tested formation. |
| 3.2.4 油水井生產(chǎn)情況。 | 3.2.4 Production informationabout tested oil or water-injection wells. |
| 油井生產(chǎn)情況包括:生產(chǎn)日期;工作制度;日產(chǎn)量(油、氣、水);含水率; | Production information about tested oil wellsinclude: production duration; working system (choke size orswabbing frequency and depth);(oil, gas, water) flow rate; watercut; |
| 累積產(chǎn)量(油、氣、水); | (oil, gas, water) accumulativeproduction; |
| 壓力(油壓、套壓、流壓、靜壓)及上次壓力測試時間。 | pressure (tubing pressure, casing pressure,flowing pressure, static pressure) and the time when the pressurewas measured recently. |
| 注水井半產(chǎn)情況包括: | Injection information of the water injectionwell include; |
| 生產(chǎn)曰期;注人方式;泵壓;油壓;套壓;日注水量;累積注水量。 | injection duration; injection mode; pumppressure; tubing pressure; casing pressure; water- injection rate;accumulative injected water volume. |
| 3.2.5油井產(chǎn)液剖面和注水井吸水剖面。 | ― 3. 2.5Production profile of the oil wells or In?jection profile of thewater Injection wells, |
| 3.2.6 流體物性參數(shù)。 | 3.2.6 Physical properties of the producedfluid. |
| 地面流體性質(zhì)包括- | Surface fluid properties include: |
| 取樣井號; | the sampled wellname; |
| 取樣日期; | sampling date; |
| 原油密度; | density of theoil; |
| 粘度; | viscosity; |
| 凝固點(diǎn); | freezing point; |
| 初餾點(diǎn); | initial boilingpoint; |
| 含蠟量; | wax content; |
| 含硫量;. | sulfer content; |
| 膠質(zhì)含量; | colloid content of thefluid; |
| 地層水總礦化度。 | total salinity of the formationwater. |
| 地層流體性質(zhì)包括:取樣井號; | Formation fluid properties include: the sampledwell name; |
| 取樣日期; 分析日期; 地層壓力; 地層溫度; | sampling date; analyzing date; formationpressure; formation temperature; |
| 地層原油密度;地層原油粘度;原油體積系數(shù); | reservoir oil density; reservoir oil viscosity;formation volume factor of oil; |
| 原油壓縮系數(shù);原始飽和壓力;溶解氣油比;天然氣相對密度; | compressibility of oil; original bubble-pointpressure; solution gas-oil ratio of the reservoir oil; relativedensity of natural gas; |
| 天然氣偏差因子; 地層水粘度; 地層水體積系數(shù);地層水壓縮系數(shù)。 | deviation factor of natural gas; formation waterviscosity; formation volume factor of water; compressibility offormation water. |
| 3.3測試時間的估算 | 3.3 Estimation of test duration |
| 3.3.1穩(wěn)定試井每個測點(diǎn)流動達(dá)到穩(wěn)定的時間,計算公式為: | 3.3.1 For steady well test, the formula forestimating the flow time when the steady-state flow beginsis: |
| 穩(wěn)定試井的最小測試時間應(yīng)大于ts。 | The shortest duiation of each flow period insteady well testing should be longer thants. |
| 式(1)中以及本標(biāo)準(zhǔn)其他公式和文字涉及的物理量符號,其名稱、單位等均列于附錄A中。 | The name, dimension of a11 the nomenclatures inequation (1), other form a be or text in this standand are listedin Annex A. |
| 3.3.2壓力恢復(fù)(壓降)測試時間估算,計算公式為- | 3.3.2 The formulae for estimating the durationof pressure buildup, drawdown or falloff test are |
| a)壓力恢復(fù)(注水井壓降)測試徑向流開始的時間: | a) For build-up or falloff test, the time wheninfinite acting radial flow begins is: |
| 最少測試時間應(yīng)大于10A/b, | The shortest testing duration should be longerthan 10A/b |
| b)壓降測試徑向流開始的時間: | b) For drawdown test, the time when infiniteacting radial flow begins is: |
| 最少測試時間應(yīng)大于-10"。 | The shortest testing time should be longer than10". |
| c)探邊測試擬穩(wěn)態(tài)開始時間: | c) For reservoir limit test (RLT),the time whenpseudo- steady flow begins is: |
| 最少測試時間應(yīng)大于(3?4) 6?。 | The shortest testing duration should be longerthan 3?4 times of tpss. |
| 3.3.3干擾試井測試時間估算方法是確定測試流量q、激動生產(chǎn)時間t和壓力計分辨率SP之間的關(guān)系。當(dāng)g為選定流量時,&與t的關(guān)系為: | 3-3.3 For interference test, the estimation ofthe testing duration is based on determining the relation of flowrate q,production time t of the active well during the test, andthe resolution of the pressure gauges. When q is fixed, therelation between & and t is |
| 8P選定0.00lMPa時,最少測試時間應(yīng)大于10t。 | When ^p is seWtfti as 0. 001 MPa, the shortesttesting time should be longer than 10t. |
| 3.3.4 根據(jù)巳知的或計算的地層參數(shù)(K, p, h, 〃,ψ)進(jìn)行試井模擬,模擬出壓力曲線及邊界特征和邊界反映時間,并作預(yù)分析,再根據(jù)模擬結(jié)果確定測鋱時間。 | 3.3.4 Perform well test simulation based onknown or calculated formation parameter(k, p,h、 and ψ)to obtain thepressure history, the character of the boundaries and the time whenthe boundaries effect- Perform pre-analysis and determine thetesting duration with the result of the simulation. |
| 3.4試井方法的選擇 | 3.4 Selection of well test method |
| 3.4.1穩(wěn)定試井方法選擇。 | 3.4.1 Selectionof steady well test method. |
| 根據(jù)流動達(dá)到穩(wěn)定的時間選擇分析方法: | Selecting the test method based on the time whensteady state flow (ts) begins: |
| a)當(dāng)t≤10h時,采用系統(tǒng)試井法。 | a) perform systemic well testif t≤10h; |
| b)當(dāng)≥10h時,采用等時試井或修正等時試井法。 | b) perform isochronal welltest or modified isochronal well test if t>10h. |
| 3.4.2 不穩(wěn)定試井方法選擇。 | 3.4.2Selection of transient well test method. |
| 3.4.2.1單井試井方法選擇:單井試井包括壓力恢復(fù)、壓力降落和變流量測試,可根據(jù)測試目的和生產(chǎn)條件選擇。 | 3.4.2.1 Selection of single well test method ;Single well test includes pressure build-up, pressure drawdown andmulti-rate test. The test method can be selected according to thepurpose of the test and the productionconditions. |
| 應(yīng)優(yōu)先選擇關(guān)井測壓力恢復(fù)(注水井壓力回落〉,關(guān)停并優(yōu)先選擇壓力降落。在某些特殊條件下可考慮選擇變流量的方法取得不穩(wěn)定壓力數(shù)據(jù)。 | Preferentially select shut-in well to performpressure build-up test (or pressure falloff test for waterinjection well). For the well which has been shut-in or stoppedproducing, preferentially select pressure drawdown test. Under somespecial conditions, multi-rate test method could be selected toacquire transient pressure data |
| 3.4.2.2多井試井方法選擇:多井試井包括干擾試井和脈沖試井,主要是為了確定井間的連通情況,可根據(jù)實際條件來選擇。 | 3.4.2.2 Selection of multi-well test method:Multi-well test includes interference test and pulse test; it isgenerally used to determine connectivity between wells. Test methodshould be chosen by actual conditions, |
| 4. 試井操作規(guī)范 | 4 Operationspecificaticm for well test |
| 4.1鋼絲作業(yè)機(jī)械壓力計壓力、溫度測試 | 4.1 Pressure and temperaturemeasurement with mechanical pressure gauge run bywireline |
| 4.1.1適用范圍: | 4.1.1 Range of application |
| 鋼絲起下作業(yè)的機(jī)械壓力計,適用于油水井流壓靜壓及其梯度、流溫靜溫、壓力恢復(fù)或壓力降落等常規(guī)測試。 | Mechanical pressure gauge run by wirelineapplies to measuring flowing pressure, static pressure and theirgradient, flowing temperature, static temperature; pressurebuilding-up, pressure drawdown and other conventional tests in oilwells or water wells. |
| 4.1.2 測試儀器。 | 4,1.2 Testinstruments |
| 4.1.2.1壓力計技術(shù)指標(biāo)應(yīng)符合SY/T 5098, SY/T 5099的有關(guān)規(guī)定。 | 4.1, 2.1 The technical specification of thepres?sure gauge must accord with the regulations in the standardsSY/T 5098 and SY/T 5099 . |
| 4.1.2.2儀器應(yīng)按規(guī)定及時校準(zhǔn),以保證測試的成功和所取資料的準(zhǔn)確。 | 4.1, 2, 2 The instruments must be calibratedperiodically according to correlative regulations in order toensure the test being successful and the acquired data beingaccurate |
| 4.1.3 測試井。 | 4.1.3 Wellto be tested |
| 4.1.3.1測壓井的生產(chǎn)情況穩(wěn)定,測前三天內(nèi)日產(chǎn)量或日注量波動不超過平均量的±5%。 | 4.1.3.1 The production must be stable, thefluctuation of the flow rate or the water injection rate in theduration of 3 days just before the test should be within ± 5 % ofthe average. |
| 4.1.3.2井口設(shè)備無滲漏,閥門安裝齊全,啟閉靈活. | 4.1.3.2 There is no leakage on wellheadassembly, and the valves on which are all installed and functionproperly. |
| 4.1.3.3井下管柱結(jié)構(gòu)淸楚,并具備獮壓儀器順利起下的條件。 | 4.1.3.3 The structure of thedownhole string should be clearly known and available for run?ningthe measurement instruments in and pull them out of the holesuccessfully. |
| 4.1.3.4井口扒桿安裝應(yīng)垂直、穩(wěn)固,滑輪應(yīng)轉(zhuǎn)動靈活,并保證錄井鋼絲對準(zhǔn)井口。 | 4.1.3.4 The gin pole on thewellhead must be installed vertically and firmly, the pulleys mustbe able to run smoothly and ensure the logging wireline centeringin the well bore |
| 4.1.4 測試技術(shù)要求。 | 4.1.4 Requirement of testingtechnique |
| 4.1. 4.1壓力計最大壓力量程Pm按式(6)選取 | 4. 1. 4.1The maximum range of measurement of pressure gauge, Pm, isdetermined by following equation |
| 4.1.4.2壓力計精確度不低于0.5%。 | 4. 1. 4. 2 The accuracy of the pressure gaugemust be higher than 0.5%, |
| 4.1.4.3 根據(jù)試井設(shè)計及待測井起下速度選擇好壓力計所用時鐘。 | 4.1.4.3 Select proper clocks used in pressuregauges according to the well test design and the velocity ofrunning in and pulling out the gauges in the well to betested. |
| 4.1.4.4根據(jù)井下管柱結(jié)構(gòu)狀況,壓力計下到油層中部或接近油層中部的位置。 | 4.1. 4.4 Run the pressure gauges into the holeat the mid-depth of the tested zone(s) or as closer to it aspossible according to the structure of downholestring. |
| 測井筒壓力或溫度梯度間隔規(guī)定為100m,要求停梯度點(diǎn)時間不小于10min,梯度測點(diǎn)不少于3個。 | The pressure gradient (or temperature gradient)measurement must be done by measuring one pressure (or temperature)point per hundred meters, measuring duration at each point must notbe less than 10 min, and measuring points must be 3 ormore. |
| 4.1.4.5長期停產(chǎn)井測壓時,應(yīng)短時間放噴后再關(guān)井.關(guān)井時間應(yīng)大于放噴時間4倍。 | 4.1.4.5 For the well which has been stoppedproducing for a long time, it is necessary to flow the well for ashort time before shutting in to measure its pressure, and theshut-in duration should be longer than 4 times of the flowingtime. |
| 4.1.4.6 關(guān)井測壓過程中應(yīng)嚴(yán)格檢查井口是否存在滲漏現(xiàn)象。井口應(yīng)安裝油壓表。 | 4.1.4.6 In the period of shutting-in forpressure measuring, wellhead must be checked-up strictly to ensurethat there is no leakage. Tubing pressure gauge should be installedon wellhead. |
| 4.1.5 測壓原始資料質(zhì)量要求。 | 4.1.5 Quality requirement ofthe raw data of pressure measurement |
| 4.1.5.1原始報表及現(xiàn)場施工記錄填寫要求齊全準(zhǔn)確。 | 4.1. 5.1 The raw data reports and the wellsiteoperation records must be filled in completely andaccurately. |
| 4.1.5.2測試卡片基線平直(偏差小于0.2mm),不雙不彎;曲線清晰,無明顯臺階,時鐘走時正常,量程適當(dāng);梯度停點(diǎn)平穩(wěn),臺階淸楚,臺階寬度不小于2.0mm;兩張卡片曲線形態(tài)相同,讀出相同點(diǎn)壓力差值應(yīng)符合壓力計精度要求, | 4. 1. 5. 2 The baseline of the pressurerecording chart must be flat and straight (its warp must be lessthan 0. 2 mm),and must not be bended or become a dual-line; therecorded pressure curve must be clear without any obvious steps.The clock must run normally and the range of it must be adequate.The calibrated gradient points must be stable and the calibratedgradient steps clear. The calibrated gradient steps must be widerthan 2.0 mm. The shapes of two recording charts from differentgauges must be consistent; and their readings for the same pressurepoint must meet the accuracy requirement of the gauges. |
| 4.1.5.3測試卡片應(yīng)無污損、破裂、褶皺及劃破等現(xiàn)象,線條寬度不大于0.2mm,圖形位置居中。 | 4.1.5.3 Thetest recording chart must not be defiled or cracked or rugate orlacerate. The width of the recording line must be less than 0.2 mmand the figure centered on the chart. |
| 4.1.5.4測試卡片記錄時間應(yīng)與報表時間相符,10h時鐘誤差小于10min; 30h時鐘誤差小于20min,50h時鐘誤差小于30min。 | 4.1.5.4 The time recorded on the recording chartand that recorded in the report must be consistent; the time errorbetween them must be less than 10 min for 10hr clock; less than 20min for 30hr clock; and less than 30 min for 50hrclock. |
| 卡片上方空白處標(biāo)明井號、測試日期、壓力計編號及下入深度。 | The well name, test date* serial number and thesetting depth of the pressure gauges must be labeled on the blankpart of the chart. |
| 4.1.6 測試資料整理、計算及初步解釋。 | 4.1.6 Process, calculation andprimary interpretation of the test data |
| 4.1.6.1對合格的測試成果,按卡片測量、應(yīng)變一壓力換算、成果報表填寫的流程對測試資料進(jìn)行整理及計算。 | 4.1.6.1 For qualified test results, process andcalculation must be conducted in the following sequence: scanningthe recording chart, calculating the pressure from the strain andfilling-in the test report. |
| 4.1.6.2在應(yīng)變一壓力換算中,壓力校驗曲線上,校驗應(yīng)變與溫度的關(guān)系曲線不得少于三條,且要求最高溫度線應(yīng)適合使用地區(qū)的油層最髙溫度。 | 4.1.6.2 On the pressure calibration curves forcalculating the pressure from the strain, there must be at least 3relation curves of strain vs. temperature; and the maximumtemperature of them must fit the maximum temperature of thereservoir in the area where testing is conducted. |
| 4.1.6.3在采油井關(guān)井測壓力恢復(fù)或注水井關(guān)井測壓力回落的應(yīng)變一壓力換算中,使用l0h時鐘的讀點(diǎn)可按0.5min,lmin,2min,5min,l0min,20min選點(diǎn),30min以后可每隔20min?50min讀一個點(diǎn),曲線的最后一個點(diǎn)一定要讀。 | 4.1.6.3 When calculating the pressure from thestrain for build-up test in production wells or fall-off test inwater injection wells, if 10 hr clock was used, reading points onthe recording chart should be selected as: 0.5 min, 1 min, 2 min, 5min, 10 min, 20 min; from then on read one datum every20min?50min,and the last point of the recorded pressure curve mustbe read. |
| 特殊井曲線讀點(diǎn)要適當(dāng)加密,曲線異常部分也要加密。 | The intervals between reading points should besmaller for the abnormal part (s) or the specialwells. |
| 使用100h時鐘的,在16mm應(yīng)變以前毎0.1mm讀一個點(diǎn),16mm以后每0.5mm或1mm讀一個點(diǎn)。 | If 100 hr clock is used, reading points must beas dense as one reading per 0.1 mm before 16 mm of the strain, andone reading per 0.5 mm or 1 mmafterward. |
| 4.1.6.4輸人實測壓力一時間關(guān)系數(shù)據(jù),運(yùn)用試井解釋軟件作常規(guī)或現(xiàn)代試井的初步分析解釋。 | 4.1.6.4 Input measured data of pressure vs.time, then perform primary interpretation with conventional ormodern well test interpretaticm methods with well testinterpretation software. |
| 4.2電纜作業(yè)電子壓力計壓力、溫度測試 | 4.2 Pressure and temperature measurement withelectronic pressure gauge run bywireline |
| 4.2.1適用范圍。 | 4.2.1 Range of application |
| 4.2.1.1有條件的情況下要選擇電子壓力計測試。對于髙產(chǎn)、高壓、高溫等復(fù)雜或重點(diǎn)井應(yīng)采用地面直讀式電子壓力計測試,以確保資料的精度和測試的成功。 | 4.2.1.1 Electronic pressuregauges should be chosen to test the well if it is possible. Inorder to ensure accurate data acquisition and success of the test,surface read out electronic pressure gauge must be chosen to testthe high-productivity wells, high pressure or/and high temperaturewells or other complicated or important wells. |
| 4.2.1.2 鋼絲作業(yè)的井下存儲式電子壓力計的測試可參照4.1的內(nèi)容及有關(guān)規(guī)定。 | 4.2.1.2 The pressuremeasurement with downhole memory electronic gauges run by wirelinerefers to Article 4.1 in this chapter and concernedspecifications. |
| 4.2.1.3 電子壓力計的精度等級目前分為三類: | 4. 2. 1. 3At present, according to their accuracy, electronic pressure gaugesare graded into 3 levels: |
| 第一類:全量程的0.01%~0.025%; | The first grade: the accuracy is within 0.01% -0.025% of the full stair; |
| 第二類:全量程的0.04%?0.07%, | The secondgrade:the accuracy is within0.04% - 0.07% of the full scale; |
| 第三類:全量程的0.1%?0.3%。 | The third grade:the accuracy is within 0.1% -0.3% of the full scale. |
| 其分辨率、穩(wěn)定度以及量程等有各自相應(yīng)的指標(biāo),在選擇時應(yīng)考慮以下原則- | There are corresponding specifications aboutresolution, stability and range of electronic pressure gauges.Following principles must be considered when choosing thegauges: |
| a)對于一般油水井流壓流溫及其梯度、靜壓靜溫及其梯度,壓力恢復(fù)或壓力降落等常規(guī)測試,如需降低成本,選用第三類精度等級的電子壓力計。 | a) For conventional tests suchas measurement of flowing pressure, flowing temperature and theirgradients, static pressure, static temperature and their gradients,pressure build-up and drawdown of oil wells or water wells, and ifreducing the cost of the test must be considered, the third gradegauges can be chosen to perform the test; |
| b)對于探邊測試以及干擾測試、脈沖測試,要求壓力計在井下工作時間長、存儲容量大、穩(wěn)定性好,優(yōu)先選擇第一類精度等級的電子壓力計,某些第二類精度等級的電子壓力計也可達(dá)到這些要求。 | b) For the interference tests,pulse tests or reservoir limit test, it is required that thepressure gauges work downhole for a long time and possess a largememory and good stability, so the first grade gauges should beprimary chosen; some second grade gauges can also be chosen if theyare able to meet the above requirements; |
| c)對于壓力梯度測試,要求壓力計響應(yīng)時間短、分辨率高,優(yōu)先選擇石英晶體或硅一藍(lán)寶石為壓力傳感器的電子壓力計(第二類)。 | c) For pressure gradient test,it is required that the gauges response the pressure change veryquickly and possess very high resolution, the second grade pressuregauges with quartz or silicon - sapphire sensor should be chosenprimary to meet the above requirements; |
| d)對于高溫、高壓井或超深井的測試,選擇第一或第二類精度等級且量程高,能滿足要求的電子壓力計。 | d) For the test in highpressure or/and high temperature wells or in overdeep wells, thefirst or second grade electronic gauges possessing a wide range andbeing able to meet the requirements should be chosen. |
| 4.2.1.4對于待測壓井的要求與機(jī)械壓力計測試相類似.見SY/T5483的規(guī)定。 | 4.2.1. 4 Requirements of the tested wells aresimilar to those in the case of measuring with mechanical pressuregauges. Refer to the regula?tions in SY/T5483. |
| 4.2.2測試技術(shù)要求。 | 4.2.2 Requirements of testtechnique |
| 4. 2. 2.1所選井下儀器的額定工作壓力應(yīng)高于井下最高壓力3.45MPa,儀器及電池額定工作溫度應(yīng)高于井下最高溫度10C?;虬幢粶y井壓力變化介于壓力計全量程30%~80%的原則選用壓力計。 | 4. 2. 2.1 The rated working pressure of thedownhole pressure gauges to be used must be 3.45MPa higher than themaximum downhole pressure of the tested well. The rated workingtemperature of the downhole gauges and the batteries to b? usedmust be 10C higher than the maximum downhole temperature. Thepressure gauges can also be chosen this way; the whole range of thedownhole prpssure of the tested well is between 30% and 80% of thefull scale of the gauges. |
| 4.2.2.2對選用的儀器應(yīng)在有效的校準(zhǔn)周期內(nèi),按規(guī)定進(jìn)行使用前的保養(yǎng),下井前應(yīng)檢驗合格。 | 4.2.2.2 Pressure gauges can only be used in theperiod of validity of its last calibration, must be mainlainedbefoie being u&txl and pass strict check - upbefore being run inio the hole. |
| 4.2.2.3下人深度、起下過程中停臺階點(diǎn)的次數(shù)及時間以及開關(guān)井或改變工作制度等,按測試設(shè)計的規(guī)定進(jìn)行,并根據(jù)現(xiàn)場實際測試情況進(jìn)行調(diào)整。 | 4.2.2.3 The setting depths, steps and staydurations at each step in the hole during running-in andpalling-out, flow or shut-in the well or change the choke must beconducted according to the test design, and must be adjustedaccording to the actual circumstance during thetest. |
| 4.2.2.4根據(jù)資料解釋的需要,凋整錄取資料的速度、數(shù)量及范圍。 | 4.2.2.4 The sampling rate, the amount and therange of the data acquisition must be adjusted according IO therequirement of data interpretation. |
| 4.2.2.5按SY/T 5483規(guī)定的直讀測試作業(yè)程序和規(guī)則進(jìn)行測試作業(yè),確?,F(xiàn)場測試的安全與成功。 | 4.2.2.5 In order to ensure the lest beingperformed safely and successfully, all test operations must beconducted according to the. procedure and regulation of well testwith surface read out system defined in the operation specificationSY/T 5483. |
| 4.2.3測試原始資料質(zhì)量要求。 | 4.2.3Quality requirement of raw test data |
| 4.2.3.1 壓力計精確度要求對流、靜壓測試要達(dá)到0.3%(FS),穩(wěn)定試井、產(chǎn)能試井、壓力恢復(fù)、壓力降落試井要達(dá)到0.09% (FS),探邊測試、干擾測試和脈沖測試要達(dá)到0.05%(FS)。 | 4, 2. 3, 1 丁he accuracy of the pressure gaugesmust be 0, 2 % of the full scale for measuring the flowing pressureor static pressure; 0. 09 % of the full scale for steady test,deliversbility test, pressure build- up test or drawdown test; 0.05 % of the full scale for interference test or pulsetest. |
| 4.2.3.2現(xiàn)場施工人員提供的數(shù)據(jù)磁盤要有效.解釋人員能讀出測試數(shù)據(jù),數(shù)據(jù)內(nèi)容依次為序號、測試日期、測試時間、相對時間、實測壓力、實測溫度。 | 4.2.3.2 The dala disk provided by well test teammuse be valid, and from which interpreter can read all the dataacquired during the test. The content of data must consist of andin order of sequence number, test date, test time, e lapsed timetmeasured pressure and measured 26 temperature. |