US4042023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control line protector
Assignee: Weatherford Oil Tool Co Inc
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Filing: 1975-09-03
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Granted: 1977-08-16
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Expires: 1995-09-03
Abstract
Abstract A positioning device, for insertion in the annular space between an oil well lining pipe and an oil or gas flow tubing therein, is seated about the flow tubing and includes a resiliently deformable portion having a recess which opens at an external face to permit a control line tube to be forced into the recess, by resilient deformation, and be held in a predetermined position in the annular space. A preferred device is openable or in separable sections and is lockable on the flow tubing by taper pin. The device may have plural recesses, which may be of different sizes, and may be adapted to receive plural flow tubings.
Inventors
- 👤 Roy Kelvin Noel Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:22
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/10; E21B17/1035; E21B17/1042; E21B17/105
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
92 words
In a positioning device, for insertion in a space between a well lining pipe and flow tubing in said well lining pipe, having a body adapted to seat about said flow tubing, said body having an internal face to abut against the flow tubing and an external face remote from the internal face, the improvement that said body includes at least one rib of a resiliently deformable material containing a recess which opens at said external face and is adapted to receive a control line tube by resilient deformation of said portion.
Claim 2
Dependent Claim
92 words
In a positioning device, for insertion in a space between a well lining pipe and flow tubing in said well lining pipe, having a body adapted to seat about said flow tubing, said body having an internal face to abut against the flow tubing and an external face remote from the internal face, the improvement that said body includes at least one rib of a resiliently deformable material containing a recess which opens at said external face and is adapted to receive a control line tube by resilient deformation of said portion.
Claim 3
Dependent Claim
55 words
In a positioning device, as claimed in claim 1, said recess including an opening in which said control line tube can be seated, and a passage communicating with said opening and with said external face, said passage being, for at least part of its length, of a width less than the width of said opening.
Claim 4
Dependent Claim
25 words
In a positioning device, as claimed in claim 1, said body comprising a metal cage and a covering of resiliently deformable material about said cage.
Claim 5
Dependent Claim
34 words
In a positioning device, as claimed in claim 1, said body having a break in circumferential continuity, and locking means being provided for securing together the circumferential ends of said body at said break.
Claim 6
Dependent Claim
34 words
In a positioning device, as claimed in claim 1, said body being in a plurality of circumferentially separate parts, and locking means being provided for securing together the adjacent ends of neighbouring said parts.
Claim 7
Dependent Claim
30 words
In a positioning device, as claimed in claim 4, said locking means comprising slots in the circumferential ends of said body, and a taper pin for engagement in said slots.
Claim 8
Dependent Claim
30 words
In a positioning device, as claimed in claim 5, said locking means comprising slots in the circumferential ends of said parts, and a taper pin for engagement in said slots.
Claim 9
Dependent Claim
42 words
In a positioning device, as claimed in claim 6, said circumferential ends of said body having axially spaced fingers, the fingers of one such end being interspersed between the fingers of the other such end, said slots being formed in said fingers.
Claim 10
Dependent Claim
43 words
In a positioning device, as claimed in claim 7, said circumferential ends of said parts having axially spaced fingers, the fingers of one such end being interspersed between the fingers of an adjacent other such end, said slots being formed in said fingers.
References Cited (Backward Citations)
CA524909A
Cited
US3734179A
Cited
US3740801A
Cited
US3844345A
Cited
US3894780A
Cited
US3899631A
Cited
US3893778A
Cited
US3933203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-08-15 | 1981-02-14 | 1981-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-15 | 1985-02-14 | 1985-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-15 | 1989-02-14 | 1989-08-16 | $7700.00 | Window Closed / Lapsed |