雙85-3井壓力恢復(fù)試井成果報(bào)告

PAGEPAGE7雙85-3井壓力恢復(fù)試井成果報(bào)告 測(cè)試：楊帥杰 編寫(xiě):張翔

審核:黃志平

濮陽(yáng)市鑫順鉆采工程技術(shù)有限公司

2009年12目錄一、試井目的、方法及技術(shù)要求二、測(cè)試井基礎(chǔ)數(shù)據(jù)三、試井儀器設(shè)備及軟件四、測(cè)試過(guò)程簡(jiǎn)介五、測(cè)試資料分析及解釋結(jié)果六、測(cè)試結(jié)果分析評(píng)價(jià)七、測(cè)試數(shù)據(jù)

一、試井目的、方法及技術(shù)要求1、試井目的：獲取地層壓力、滲透率、表皮系數(shù)等動(dòng)態(tài)參數(shù)，為油田開(kāi)發(fā)提供科學(xué)依據(jù)。2、試井方法：油井在正常生產(chǎn)時(shí)，用試井設(shè)備把高精度電子壓力計(jì)下至油層中部，關(guān)井，測(cè)取井的壓力恢復(fù)狀況，進(jìn)行試井分析。3、技術(shù)要求：3.1、測(cè)試井地質(zhì)資料及生產(chǎn)資料齊全準(zhǔn)確；3.2、測(cè)試井穩(wěn)定生產(chǎn)3天以上；3.3、測(cè)試井井口閥門(mén)靈活，井口無(wú)滲漏，道路井場(chǎng)寬闊，測(cè)試時(shí)井口懸掛施工牌，鋼絲懸掛彩旗；3.4、試井車(chē)輛和設(shè)備完好，電子壓力計(jì)精度1‰以上；3.5、壓力計(jì)起下平穩(wěn)，速度2500米/小時(shí)；3.6、測(cè)取2個(gè)點(diǎn)以上壓力和溫度梯度，測(cè)試點(diǎn)為油層中部位置；3.7、關(guān)井初期的資料錄取時(shí)間間隔不能超過(guò)5分鐘；3.8、測(cè)試時(shí)間不少于120小時(shí)；3.9、測(cè)試錄取資料齊全準(zhǔn)確。二、測(cè)試井基礎(chǔ)數(shù)據(jù)井別油井區(qū)塊雙河人工井底產(chǎn)量3.2生產(chǎn)層位長(zhǎng)6-2含水30%射孔井段1496m1510m油層井段1493.8m1508.9m油層厚度12孔隙度12.6%原油粘度2.44mpa.s原油體積系數(shù)1.05綜合壓縮系數(shù)1.18E-41/MPa三、試井儀器設(shè)備及軟件1、高精度電子壓力計(jì)型號(hào):EPT-32壓力計(jì)號(hào):109壓力量程:60MPa溫度量程:150壓力精度:1‰溫度精度:2‰壓力分辯率:0.001MPa溫度分辯率:0.002標(biāo)定時(shí)間：20092、筆記本電腦現(xiàn)場(chǎng)設(shè)置壓力計(jì)，回放測(cè)試數(shù)據(jù)。3、解釋軟件EcrinV4.02四、測(cè)試過(guò)程簡(jiǎn)介1、2009年11月20日收集基礎(chǔ)資料，根據(jù)要求作施工設(shè)計(jì)及Q/E/HSE要求；

2、2009年11月4、油井正常生產(chǎn)3天后關(guān)井測(cè)壓力恢復(fù)；5、儀器在起出過(guò)程中，在油層中部以上200米及100米處測(cè)試壓力及溫度梯度；6、2009年12月6日五、測(cè)試資料分析及解釋結(jié)果1、模型選擇油藏類型均質(zhì)內(nèi)邊界井儲(chǔ)+表皮外邊界無(wú)窮大2、分析結(jié)果表參數(shù)名稱雙對(duì)數(shù)半對(duì)數(shù)HornerMDH地層壓力MPa6.756.65平均滲透率10-3μm20.3320.3340.3480.455地層系數(shù)10-3μm24.244.264.445.81表皮系數(shù)-6.09-6.12-6.10-6.07無(wú)因次井儲(chǔ)系數(shù)0.784探測(cè)半徑m121地層溫度℃46.413、分析圖圖1壓力溫度測(cè)試曲線圖2雙對(duì)數(shù)分析圖圖3半對(duì)數(shù)分析圖圖4Horner分析圖圖5MDH分析圖圖6壓力史擬合圖六、測(cè)試結(jié)果分析評(píng)價(jià)1、該井按設(shè)計(jì)要求，采用高精度存儲(chǔ)式電子壓力計(jì)進(jìn)行了壓力恢復(fù)測(cè)試，測(cè)試時(shí)間為225小時(shí)，壓力計(jì)錄取的數(shù)據(jù)（壓力，溫度）齊全準(zhǔn)確，達(dá)到了測(cè)試要求。2、根據(jù)壓力恢復(fù)試井半對(duì)數(shù)分析、雙對(duì)數(shù)分析及Horner分析結(jié)果，該井所處油藏目前平均地層壓力6.75MPa，平均滲透率0.332×10-3μm2，為特低滲油藏。3、表皮系數(shù)-6.09，井筒周?chē)貙訜o(wú)污染。4、該井內(nèi)邊界為井儲(chǔ)+表皮，外邊界為無(wú)限大。七、測(cè)試數(shù)據(jù)時(shí)間min壓力MPa溫度℃0015.1430015.2660015.3590015.47120015.5150015.5180015.52210015.52240015.5270015.5300015.47330015.47360015.43390015.43420015.43450015.4480015.4510015.4540015.4570015.4600015.38630015.38660015.38690015.4720015.4750015.4780015.38810015.38840015.68870016900016.3930.863124.799602.34733.319903.564241.1110204.735743.2710504.734645.3810804.732347.4311104.729847.3611404.703247.3111704.470247.2212004.162247.2412303.89447.2912603.740647.3112903.613147.3613203.499847.413503.436847.4313803.320847.4314103.269647.4314403.204947.4314703.192947.4315003.166647.4115303.153747.4115603.11547.415903.113447.3616203.087947.3616503.062147.3616803.061347.3317103.0147.3317402.997447.3317702.996647.3118002.970847.3118302.945447.2918602.945447.2918902.905947.2719202.894147.2919502.868647.3119802.856647.3320102.830347.3320402.804847.3320702.766447.3321002.77947.3321302.753647.3321602.740747.3321902.727247.3322202.701747.3322502.66447.3322802.650547.3323102.611947.3323402.650547.3323702.72747.3124002.778247.2924302.828647.2724602.892247.2424902.943947.2225202.980947.225503.032747.1825803.057447.1826103.095747.1526403.08447.226703.007247.2227002.982647.2727302.917647.227602.915747.1327612.927447.0927622.927447.0927632.876547.0927642.876547.0927652.889147.0927662.901147.0927672.889147.0927682.901147.0927692.889147.0927702.901147.0927712.901147.0927722.889147.0927732.889147.0927742.889147.0927752.889147.0927762.889147.0927772.902247.0927782.889147.0927792.876547.0927802.876547.0927812.889147.1127822.877347.1127832.889147.1127842.877347.1127852.877347.1127862.877347.1127872.877347.1327882.877347.1327892.890547.1327902.877347.1527912.877347.1527922.89147.1527932.877347.1527942.877347.1527952.865647.1527962.865647.1827972.852147.1827982.865647.1827992.877347.1528002.865647.1528012.865647.1528022.852147.1828032.852147.1828042.839847.1828052.853847.228062.853847.228072.853847.228082.853847.228092.865647.228102.853847.228112.853847.2228122.853847.2228132.853847.2228142.840347.228152.853847.228162.853847.228172.840347.2228182.840347.2228192.828347.2228202.840347.2228212.865847.2228222.853847.2228232.828347.2228242.802547.2228252.828347.2228262.828347.2228272.828347.2228282.815447.2228292.840347.2228302.828347.2228312.840347.2228322.815747.2428332.802547.2428342.828647.2428352.828647.2428362.815747.2428372.815747.2428382.815447.2228392.828347.2228402.802547.2228412.815747.2428422.828647.2428432.815747.2428442.815747.2428452.815747.2428462.815747.2428472.815747.2428482.815747.2428492.802547.2428502.802547.2428512.802547.2428522.802547.2428532.802547.2428542.802547.2428552.802547.2428562.7947.2428572.7947.2428582.7947.2428592.790847.2728602.803747.2728612.790847.2728622.790847.2728632.790847.2728642.764547.2728652.7947.2428662.764247.2428672.777147.2428682.7947.2428692.777147.2428702.777147.2428712.777347.2728722.777347.2728732.777347.2728742.777147.2428752.738747.2428762.802547.2428772.790847.2728782.790847.2728792.764547.2728802.752447.2728812.752447.2728822.72747.2728832.764547.2728842.752447.2728852.764547.2728862.751947.2428872.764247.2428882.751947.2428892.738747.2728902.752447.2728912.752447.2728922.752447.2728932.752447.2728942.752447.2728952.751947.2428962.751947.2428972.751947.2428982.738747.2728992.738747.2729002.750547.2229012.750547.229022.762547.1529032.735947.1129042.761447.0929052.759447.0629062.759447.0629072.760647.0929082.747747.0929092.747747.0929102.734847.0929112.734847.0929122.747747.0929132.747747.0929142.721347.0929152.734847.0929162.721347.0929172.721347.0929182.734847.0929192.721347.0929202.709347.0929212.721347.0929222.721347.0929232.721347.0929242.721347.0929252.709347.0929262.709347.0929272.722747.0929282.709347.0929292.709347.0929302.696447.0929312.709347.0929322.709347.0929332.684447.0929342.684447.0929352.696447.0929362.696447.0929372.709347.0929382.68347.0929392.695947.0929402.671247.0929412.671247.0929422.658147.0929432.684447.1129442.671247.1129452.671247.1129462.658147.0929472.684447.0929482.671247.0929492.658147.0929502.658147.0929512.658147.0929522.658147.0929532.658147.0929542.658147.0929552.645547.0929562.658147.0929572.632647.0929582.646347.1129592.632947.1129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