Title:
WELL CONTROL USING PRESSURE WHILE DRILLING MEASUREMENTS
Document Type and Number:
WIPO Patent Application WO2004033855
Kind Code:
A3
Abstract:
Methods and apparatus for monitoring and controlling the pressure in a wellbore characterized by a drilling system utilizing real-time bottom hole pressure measurements and a control system adapted to control parameters such as well shut-in, drilling fluid weight, pumping rate, and choke actuation. In the preferred embodiments, the control system receives input from the bottom hole pressure sensor as well as pressure sensors, mud volume sensors, and flowmeters located at the surface. The control system then adjusts one or more of drilling fluid density, pumping rate, or choke actuation to detect, shut-in, and circulate out wellbore influxes. The preferred system operates automatically without any manual intervention in well control processes.
Inventors:
PAULK MARTIN DALE
NAQUIN CAREY JOHN
NAQUIN CAREY JOHN
Application Number:
PCT/US2003/030506
Publication Date:
June 10, 2004
Filing Date:
September 29, 2003
Export Citation:
Assignee:
HALLIBURTON ENERGY SERV INC (US)
International Classes:
E21B21/08; E21B47/06; (IPC1-7): E21B47/026
Foreign References:
| US6581455B1 | 2003-06-24 | |||
| US6176323B1 | 2001-01-23 | |||
| US4099583A | 1978-07-11 | |||
| US4149603A | 1979-04-17 | |||
| US4291772A | 1981-09-29 | |||
| US4063602A | 1977-12-20 |
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