国内页岩油气水平井用油基钻井液(OBM) 存在切力低, 流变性能差等问题,
难以完全满足页岩油气长水平井钻井施工井壁稳定与井眼清洁的技术要求. 针对上述问题 …

Many of the recently discovered reservoirs in deep-water/subsea environments are prime
candidates for horizontal open-hole gravel packs. Presence of multiple reactive shale …

A method for drilling and completing a gravel packed well is disclosed. The method
comprises drilling a wellbore with a drilling fluid, conditioning the drilling fluid, running the …

US PATENT DOCUMENTS body portion may include a sand control device, a packer, or
other well tool for use in a downhole environment. The joint assembly also includes a …

The potential for macroemulsions to cause formation damage during drilling with emulsified
drilling fluids [oil-based mud (OBM)] has been studied for consolidated low-to-medium …

This paper presents a new method to design the optimum composition of a spacer fluid used
for mud removal in a cement job. The method integrates two steps: determining the ideal …

(57) ABSTRACT A method associated with the production of hydrocarbons is described. The
method includes drilling a wellbore using a drilling fluid, conditioning the drilling fluid …

Abstract Initial Open Hole Gravel Pack (OHGP) completions that have been installed in
Greater Plutonio to date have all achieved complete annular packs and zero mechanical …

An increasing number of horizontal wells requiring sand control are being gravel packed,
particularly in deepwater and/or subsea environments in which completion reliability is …

Filter cakes formed on well bore walls during the drilling process need to be ruptured to start
oil production. In this study, the failure of external filter cakes from water-based drilling fluids …