简介：ThepolycrystallinephaseWO3/g-C3N4wassynthesizedunderstirringusingtungstenicacid(H2WO4)andgraphiticcarbonnitride(g-C3N4)asrawmaterials.ThecatalystwascharacterizedbyX-raydiffraction(XRD),scanningelectronmicroscopy(SEM),energydispersivespectroscopy(EDS),theFouriertransforminfraredspectroscopy(FT-IR),andtheBrunauer-Emmett-Telleranalysis(BET).ThepolycrystallinephaseWO3/g-C3N4wasdeterminedbyXRDtechnique.TheoxidativedesulfurizationprocesswasinvestigatedusingWO3/g-C3N4asthecatalyst,30%hydrogenperoxide(H202)astheoxidant,and1-butyl-3-methylimidazoliumtetrafluoroborate([bmim]BF4)ionicliquids(ILs)astheextractant.Theoperatingconditions,includingH2WO4amount,ILdose,H2O2volume,temperature,catalystdosage,andtypesofsulfurcompounds,weresystematicallyresearched.Thedesulfurizationratecouldreach98.46%forremovingdibenzothiophene(DBT)fromthemodeloilunderoptimalreactionconditions.Inaddition,thecatalyticactivitywasslightlydecreasedafterfiverecyclesofcatalysts.Thereactionkineticsanalysisshowsthattheoxidativedesulfurizationsystemwasinaccordwiththefirst-orderreactionkineticsequation.Themechanismofoxidativedesulfurizationwasproposed.

简介：为了帮助现场导向人员精确控制水平井井眼轨迹,实现水平井导向的高效便携服务,开发研制了水平井井场数据一体化协同工作平台。通过数据管理、单井分析、多井对比分析等钻前地质分析,建立一个立足于水平井随钻分析与监控系统,并依据LWD随钻分析、地质建模、井震结合等方式,可以实时分析与掌握水平井钻井状况的软件平台。该平台集数据管理、地质研究、图件展示和成果管理等功能于一体,为实现油气勘探开发研究工作一体化、自动化、智能化奠定了基础。该水平井井场数据一体化协同平台经过51口井的应用,中靶成功率达到100%,储集层钻遇率达到88.59%、含油砂岩钻遇率达到83.19%,取得了良好的应用效果。