吉林油田淺層大位移階梯水平井軌道優(yōu)化設計及應用.pdf

1、中國石油大學（華東）碩士學位論文吉林油田淺層大位移階梯水平井軌道優(yōu)化設計及應用姓名：張嵇南申請學位級別：碩士專業(yè)：油氣井工程指導教師：管志川20081001TheTrajectoryOptimizationDesignandApplicationforShallowExtendedReachandSteppedHorizontalWellinJilin0ilfieldZhangJinan(0il&GasWellEngineering)D

2、irectedbyProfessorGuanZhichuanAbstractInrecentyears，shallowhorizontalwelltechniqueiswidelyandsuccessfullyappliedinJilinOilfieldThishasmademanyshallowreservoirspossibletObedevelopedwhoseburieddepthsarebetween190mand600m，a

3、ndmadecontributionstOkeeptheproducingcapabilitystableandincreasedinFuyuoldregionandtothewholeJilinOilfieldNevertheless，astheincreaseofhorizontalwelldisplacementandtheopermionofsteppedtrajectorythefrictionresistanceincrea

4、sesgreatlyduringdrillingandcasingopermion，SOthatthenavigationdrillingandcasingoperationisdifficultandeventhecasingcannotreachthedesigneddepthTherefore，howtoappropriatelydesignthewelltrajectorytoovercomethebigfrictionresi

5、stanceduringdrillingandcasingoperationhasbecomethekeytechniquethatneedssolvingintheshallowsteppedhorizontalwelldrillingTheshallowextendedreachandsteppedhorizontalwellsinJilinOilfieldhaveacharacteristicofshallowverticalde

6、pth，longhorizontalsection，bigwholewellhorizontaldisplacement，bigfrictionresistanceduringdrillingandcasingoperationandSOonBasedonthecommonusedmodelforfrictionresistanceandtorquecalculation，throughaddingarigidforceonthestr

7、ingtocausefrictionresistance，theauthorbuildsupamodelthatissuitableforthefrictionresistanceandtorqueanalysisofextendedreachandsteppedhorizontalwell，andamethodtoanalyzethethroughputcapacityofdrillingandcasingstringUsingthe

8、modelandthemethod，theanalysisoffrictionresistanceduringdrillingandcasingoperationaswellasthethroughputcapacityofdrillingandcasingstringunderdifferenttrajectoriescanbeaccomplishedMoreover，consideringtheconditionsthatonest