Pump off control using fluid levels

Details Pump off control using fluid levels Pump off control using fluid levels

1997-10-27

1998-11-03

Dang, Hoang C.

Wells

Processes

Producing the well

166 53, E21B 4300, E21B 4704

Patent

active

058295305

ABSTRACT:
An acoustic method is disclosed for performing pump off control using fluid level in producing wells and other inaccessible cavities. The method uses flow induced pressure phenomena to locate the fluid level. Simplified equipment is involved and acoustic velocities can be measured externally from the well. The method applies to various artificial lift methods in which a conduit is accessible for measuring fluid level.

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patent: 4570718 (1986-02-01), Adams, Jr.
patent: 4793178 (1988-12-01), Ahern et al.
patent: 4934186 (1990-06-01), McCoy
patent: 5117399 (1992-05-01), McCoy et al.
patent: 5146991 (1992-09-01), Rogers, Jr.

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