Part 2 - What's new in artificial lift ///

Part 1, presented last month, covered 20 recent developments from 10 companies in three categories of artificial lift technology: sucker rod and Progressing Cavity Pumping (PCP) and plunger lift. This concluding article introduces and updates 13 artificial lift developments from 11 companies, plus a review of an ongoing related project. Four of the presentations include new downhole and surface equipment for ESP systems. The remaining 10 items cover miscellaneous contributions for new downhole pumps, operations monitoring/ control, related downhole equipment, and deliquifying chemicals. ELECTRIC SUBMERSIBLE PUMPS (ESPs) Described here are four new systems for: an extreme temperature ESP; two downhole sensor/ monitors; and a novel diaphragm ESP. ESP for extreme temperatures. Baker Hughes Centrilift, Claremore, Oklahoma, has developed an extreme temperature system for Steam Assisted Gravity Drainage (SAGD) tar sand applications, Fig. 1. Production from tar-sands in Canada is growing dramatically; however, SAGD systems – two directionally drilled, stacked horizontal wellbores . . .

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