Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
128 words
An arrangement for continuously acquiring downhole information from an oil or gas producing well, comprising instruments (16,24) suspended in the production tubing (2) near the bottom thereof and above an expansion joint (7) located near the production packer (6) of the well, at least one instrument cable (14) running from the instruments (16,24) up along the production tubing (2), characterized in that the instruments (16,24) are arranged in an elongate member (15,23) suspended in a hanger (10,18) arranged in the production tubing above the expansion joint (7) and extending into the producing part (8,9) of the well below the production packer (6), said hanger (10,18) having at least one production flow channel (12,19) therethrough and at least one passage (13) for said at least one instrument cable (14).
Claim 2
Dependent Claim
29 words
An arrangement according to claim 1, characterized in that said passage (13) extends from the outside of the hanger (10,18) to an annular space surrounding said elongate member (15,23).
Claim 3
Dependent Claim
18 words
An arrangement according to claim 1 or 2, characterized in that the elongate member is a pipe (15,23).
Claim 4
Dependent Claim
28 words
An arrangement according to claim 3, characterized in that the flow channel of said pipe is in flow communication with a production flow channel (11,19) in the hanger.
Claim 5
Dependent Claim
34 words
An arrangement according to claim 4, characterized in that said pipe (23) is provided with at least one slide valve (25) for uncovering or closing openings (26) in the wall of said pipe (23).
Claim 6
Dependent Claim
30 words
An arrangement according to claim 5, characterized in that said slide valve (25) is hydraulically operated and is connected to a control line (27) running through the pipe hanger (18).
Claim 7
Dependent Claim
51 words
An arrangement according to claim 5 or 6, characterized in that said pipe (23) is provided with a plurality of slide valves (25), each associated with a respective production zone (8,9), said zones (8,9) and slide valves (25) being separated by at least one packer (28) arranged on said pipe (23).
Claim 8
Dependent Claim
30 words
An arrangement according to claim 1 or 2, characterized in that said hanger (10,18) is provided with a plurality of passages (13) for instrument cables (14) and control lines (27).
Claim 9
Dependent Claim
22 words
An arrangement according to claim 8, characterized in that said hanger (10) is provided with a plurality of production flow channels (11,12).
Claim 10
Dependent Claim
58 words
An arrangement according to claim 8, characterized in that said hanger (18) is provided with a single production flow channel (19) having its central axis (20) located to one side of a central plane (21) through the hanger (18), the instrument cable and control line passages (13) being located on the opposite side of said central plane (21).