Communications: electrical – Wellbore telemetering or control – In horizontal or inclined passage arrangement
Patent
1986-05-15
1988-07-12
Jordan, Charles T.
Communications: electrical
Wellbore telemetering or control
In horizontal or inclined passage arrangement
364422, 166 66, G01V 100
Patent
active
047573147
ABSTRACT:
The invention relates to an apparatus for the control and monitoring of a well head submerged in a liquid.
The apparatus comprises electrovalve control means, an electronic system for controlling and monitoring the well head, monitoring sensors, connecting means connected to the electronic system and a station on the surface of the liquid medium using a transmission line. The electronic system comprises a first channel connected to the control means and to the sensors, supplied with electric power by the line and a second channel for controlling the control means and which is supplied with electric power by said line. The second channel and the electrovalve control means are also connected to an autonomous power supply, which is independent of the line. Each of the channels and the connection established bidirectional communications with the station.
Application to the control and monitoring of submerged well heads.
REFERENCES:
patent: 4052703 (1977-10-01), Collins, Sr. et al.
patent: 4352376 (1982-10-01), Norwood
patent: 4375239 (1983-03-01), Barrington et al.
patent: 4410038 (1983-10-01), Drapp
patent: 4631536 (1986-12-01), Ward et al.
patent: 4636934 (1987-01-01), Schwendemann et al.
L'Industrie Du Petrole, vol. 50, No. 540, Jan. 1982, pp. 34-39, Paris, FR; D. Paulluat: "Systeme de Controle du BOP et du Tube Prolongateur".
Oil & Gas Journal, vol. 77, No. 18, Apr. 1979, pp. 174, 175, 177 and 178, Tulsa, U.S.; B. G. Tompkins: "Programmable Controllers Go Offshore".
Aubin Christophe
Perrot Marc
Sesques Claude
Eldred John W.
Jordan Charles T.
Societe Nationale Elf Aquitaine (Production)
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