Global Patent Index - EP 0756065 A1

EP 0756065 A1 19970129 - System for controlling production from a gas-lifted oil well

Title (en)

System for controlling production from a gas-lifted oil well

Title (de)

System zur Kontrolle der Produktion einer Ölbohrung mit Gas-Lift

Title (fr)

Système de contrÔle de la production d'un puits de pétrole avec ascension au gaz

Publication

EP 0756065 A1 19970129 (EN)

Application

EP 95202038 A 19950724

Priority

EP 95202038 A 19950724

Abstract (en)

A system for controlling production from a gas-lifted oil well comprises a dynamically controlled choke (1) for adjusting the flow of crude oil from a production tubing (2) of the well. The system is capable of maximizing and stabilizing the crude oil production in an accurate manner and without requiring downhole equipment. <IMAGE>

IPC 1-7

E21B 43/12

IPC 8 full level

E21B 34/16 (2006.01); E21B 43/12 (2006.01)

CPC (source: EP US)

E21B 43/122 (2013.01 - EP US)

Citation (applicant)

EP 9500623 A

Citation (search report)

Designated contracting state (EPC)

GB

DOCDB simple family (publication)

EP 0756065 A1 19970129; CA 2226289 A1 19970206; CA 2226289 C 20080115; EA 000484 B1 19990826; EA 199800149 A1 19980827; EP 0840836 A1 19980513; EP 0840836 B1 20001011; MY 119607 A 20050630; NO 311450 B1 20011126; NO 980301 D0 19980123; NO 980301 L 19980324; OA 10655 A 20020919; WO 9704212 A1 19970206

DOCDB simple family (application)

EP 95202038 A 19950724; CA 2226289 A 19960723; EA 199800149 A 19960723; EP 9603285 W 19960723; EP 96927604 A 19960723; MY PI9603001 A 19960722; NO 980301 A 19980123; OA 9800009 A 19980123