吳起油田曾岔地區(qū)注水開發(fā)方案設(shè)計(jì)(1)

1、學(xué)位論文創(chuàng)新性聲明本人聲明所呈交的學(xué)位論文是我個(gè)人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。盡我所知，除了文中特別加以標(biāo)注和致謝中所羅列的內(nèi)容以外，論文中不包含其他人已經(jīng)發(fā)表或撰寫過的研究成果；也不包含為獲得西安石油大學(xué)或其它教育機(jī)構(gòu)的學(xué)位或證書而使用過的材料。與我一同工作的同志對(duì)本研究所做的任何貢獻(xiàn)均己在論文中做了明確的說明并表示了謝意。申請學(xué)位論文與資料若有不實(shí)之處，本人承擔(dān)一切相關(guān)責(zé)任。論文作者簽名：—雌日期：至堡!!蘭2學(xué)位論

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3、t：DesignofWaterFloodingDevelopmentProjectinCengchaAreaofWuqiOilfieldSpeciality：Name：Instructor：ABSTRACTAccordingtothecomprehensiveanalysisofthecharacteristicsthechan961reservoirdeposition，structure，reservoirandreservoird

4、istributioninCengchaareaofWuqioilfield，thechan961reservoirdistributionismainlycontrolledbysedimentarycharacteristics，reservoirlithologyandphysicalfactors，andbelongstothecompositelithologicreservoirandlithologicstructural

5、reservoirDuetopoorreservoirpropertycondition，tectonicstructuredevelopmentthechan961reservoiroilwaterdifferentiationisnotobvious，oilwatermixedstore，noapparentoil—waterinterface，lackofedgeandbottomwaterThechan991reservoira

6、lsobelongstothecompositelithologicreservoirandlithologic—structuralreservoirThemainproductionreservoirthatisthechan961reservoirCanbeseen，fromproductivitylevelclassificationofeachlayerproductionwellTheproductioncapacityof

7、thechan96reservoirin41248wellareaishigherthan2846Wellsarea，Theproductioncapacityofthechan99reservoirishigherthanishigherThechan96productionreservoirbelongstolowporosityultralowpermeabilityreservoirDuetohelithologydense，s

8、mallporethroatradius，largeseepageresistance，thewellalmosthasnonaturalcapacityMostoftheWellsarefracturingoperationCengchaareaofWuqioilfieldissuitableforwaterinjectiondevelopmentCombinedwithgeologicalcharacteristicsofoilre

9、servoirwaterinjectionmodeshouldbeadoptedtokeepformationpressureinthisareainordertomaximizeoilfieldrecoveryobtainthebesteconomicbenefitsThroughreservoirengineeringanalysis，theexistingwellpatternisoptimizedTheinjectionprod

10、uctionpatternusing450150mirregulardiamond—shapeinvertednine‘spotissuggestedlocalareawhichisnotadjustedforinvertedninespotusesfivepointpatternforadjustmentKeywords：Lowpermeabilityreservoirs；Reservoirproperty；Waterflooding