充气钻井在牛东火成岩裂缝性储层中的研究与应用

第6卷第2期2010年6月新疆石油天然气XinjiangOil&GasVo.l6No.2Jun.2010:16732677(2010)020038-06:2010-04-10:赵前进,2004年毕业于西安石油大学石油工程专业,工程师,主要从事钻井工艺技术研究及欠平衡现场技术服务工作赵前进1,杨勇2,何明华1,杨立军1,肖华1,王学成2(1.吐哈油田公司工程技术研究院,新疆哈密839009;2.西部钻探吐哈钻井院,新疆哈密839009):吐哈油田三塘湖盆地牛东区块是典型的孔隙-裂缝性火成岩低压储层,常规钻井中机械钻速低易发生恶性漏失,给钻井及储层保护问题带来了相当大的挑战为此,本文根据漏失速度,优选并优化了充气钻井方式及注入气液排量,同时应用了PDC+螺杆的欠平衡复合钻井技术,2007-2008年现场规模应用井数25口,使三塘湖油田原油日产量实现了千吨突破,解决了火成岩裂缝性储层井漏与机械钻速低的矛盾,为火成岩储层的快速高效开发提供了一条有效的途径:牛东区块;充气钻井;裂缝储层;井漏;气液排量;机械钻速:TE242.6:A,1500~1700m,,,,-,,,20079-98-989-81,,,,,11.1C2k,0.75-0.80,(0.95-1.15g/cm3),,,90%50m,50m,,,1.2,C2k8-81607m,10m3/h,1724.90m,,,,;9-91470m,13.50m31470-1653m,,,1653m,1299m3;89-10500m3,1.338第6卷第2期赵前进等:充气钻井在牛东火成岩裂缝性储层中的研究与应用C2k,,,2m/h,,8mmGP447DPDCLGYD517ALHA517G,8-128-10,120mim/m22.1,,,,,PDC,37,,,;,,,,8mm13mm,;,(1,2)PDC,,::;:13mm21;:5;:10mm7;:50.8mm;:152.4mm;:88.9mmAPIReg:WJ513QT图1WJ513QT钻头立式图图2WJ513QT钻头卧式图2.2,,,,,,,,70-75rpm,,8-12,,PDC,PDC70rpmPDC,,,PDC+,,:152.4mm+120mm+121mm+121mm+121m10+27+89mm+121mm+121mm+89mm()+121mm+108mm2.33920102.3.1气液量优化原则(1),,,,,,,(BHP),,(2);,,1.7~3.5MPa(3),,;0.75~1.25m/s,2.3.2气液量优化(1)0.85:+;:30~60m3/min;0.95~1.05g/cm3;0.00MPa;:;:35,2.3/100m;6.0m/h;10~40m3/h()(2)HUBS,HUBS3,10m3/h40第6卷第2期赵前进等:充气钻井在牛东火成岩裂缝性储层中的研究与应用,35~50m3/min,0.48~0.72m3/min;42m3/min,0.595m3/min,70:1,10.7Mpa(0.61g/cm3),430~60m3/min,0.60~0.90m3/min,43m3/min,0.73m3/min,59:1,12.25Mpa(0.70g/cm3),0.6~0.73m3/min(10~12L/S),42~43m3/min,0.65~0.75g/cm3,12MPa1.99m/s,3.89m/s,1.75m/s,0.88,32007-200825,200714,2008114291.26m,20073017.17m,20081274.09m11,44%,(10-20KN,30r/min)0.5m,,,60-80KN,10-12L/S,30-45m3/min,,,,44.12007-200810(1),40%,8-12,,,,,,,,12007-2008(m)(m3)7-31847.667510.5m3/h,3170111918m3/h,7-41842.791326m3/h,89-101558531.8340m3/h,278-1111721.7726989-121494.6624m3/h,78-1011654.7211.736.6m3/h,17m,78-91741.144825m3/h,8-8116248528m3/h,8-12148530030m3/h,4.22,8-125,2.36m/h(8-121.50m/h)8-98,1.5m/h9.65m/h,5.43(89-1211.05m/h),7.41201014m/h,2.02,2(mm)(m)(m)(h)(m/h)8-12152.41485-1706221147.911.50910-8152.41634.38-170065.6219.943.298-15152.41647.6-1780132.447.452.797-11152.41644-175010647.532.23910-9152.41561-175018994.002.01152.4/142.8071.362.368-10152.41585-178019570.712.808-14152.41500-176026026.939.658-9152.41385-1638.06253.0627.929.0689-81152.41349-1652.31303.3146.676.508-91152.41406-1800394113.833.4689-12152.41495.6-1700204.418.5011.05107152.41636-190026431.658.34108152.41613-195033753.496.3270.2059.737.144.33,8-8184m3/d,89-1058m3/d21.9m3/d,37.6m3/d,7168%,2007101526659.19,t6349.16,t23.07%52.97%,893.25t274%,,32007-2008(m)min(m3/d)m8-121485-17061511.8716.845-88-101585-17801534.0764.706-78-91385-16381095.0124.469-1289-811349-16521092.07103.110-158-141500-17601775.1319.248-138-811624-16644584.026.077-1189-101571-16622058.639.256-878-1111726.4-1778.2//18.811.34/8-1011623-1675.89517.2519.480.5-189-121495.6-17001321.2523.686-84-1311735-1755.51838.8435.796-745-1311662-1730.8//24.427.39/42第6卷第2期赵前进等:充气钻井在牛东火成岩裂缝性储层中的研究与应用4(1),,,,;(2)PDC+,PDC,,;(3),,,;(4)PDC,,:[1],,,.[J].,2003,25(6):10-13.[2],,.[J].,2008,13(3):241-244.[3],,,.[J].,2003,31(4):17-18.[4],.[J].,2000,23(3):1-4.[5],,.[J].:,2003.(上接第29页)[5],3,,;127,,,,,r2r1r3r4,4,2,,,,,,,,:[1].[M].:,1990.[2],,.[J].,2004,11(6):26-29.[3],.[J].,1994,2(3):31-35[4],,.[J].,2005,27(1):57-60.[5],.[J].,1997,4(3):41-45.43Vo.l6No.2Jun.2010XinjiangOil&Gas(EditionofNaturalScience)APLICATIONONRESOURCEMANAGEINSEISMICDATAPROCESSONPCCLUSTER/FangChangjiang,JiangZaichao,ShiJiexin,etal.ResearchInstituteofExplorationandDevelopment,XinjiangOilfieldCompany,PetroChina,Urumqi830013/XinjiangShiYouTianRanQi,2010,6(2):35~37Abstract:AnewtaskwasbroughtaboutthemanagementofPCClusterandofhowtoimprovetheefficiencyofnodeutilizationandproductionwiththepopularizationofPCClusterandtheutilizationofthewayinseismicdataprocesswhichconsumeslargequantityresourceofcomputer.Sointhispaper,awaytoimprovetheefficiencyofnodeutilizationandproduction,byutilizingthesoftwareofPlateformLSFdynamicmanagementofresourceispresented.KeyWords:PCCluster;dynamic;managementofresource;efficiencyTHERESEARCHANDAPPLICATIONOFAERATEDGASDRILLINGINLGNEOUSROCKFRACTUREDRESERVOIRATNIUDONGBLOCK/ZhaoQian-jin,YangYong,HeMinghua,etal.EngineeringTechnologicalResearchInstitute,TuHaOilfieldCompany,HaMiXijiang839009/XinjiangShiYouTianRanQi,2010,6(2):38~43Abstract:Niudongblockoftuhaoilfieldsantanghubasinisatypicalporosityfracturereservoirwithlowpressure.Conventionaldrillingsoftenresultinviciouslostcirculationofmudandbringaconsiderablechallengetodrillingandreservoirprotection.Forthisproblem,accordingtothespeedofdrillingmudleakage,theaeratedgasunderbalanceddrillingandparametersofgasliquidratioareoptimizedinthepaper.Ontheconditionofmaintainingthedynamicunderbalancedpressureatbottomholeandtransportingdebrisfromthebottomtothesurfaceintime,thetechnologyresolveslostcirculationcomplexityoffracturereservoirinabout10Wellssuccessfullyandsotheamountofdrillingmudissavedandrateofpenetrationisenhanced.Thetechnologyprovidesaneffectivewayforreslovingthefracturereservoirleakageandprotectingreservoir.KeyWords:Niudongblock;aeratedgasdrilling;fr