US4440222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side pocket mandrel with improved orienting means
Assignee: Camco International Inc
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Filing: 1982-02-24
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Granted: 1984-04-03
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Expires: 2002-02-24
Abstract
Abstract A side pocket mandrel having an orienting sleeve therein with improved guide surfaces for more reliably orienting a kickover tool with respect to the mandrel preparatory to installing a flow control device in or removing such a device from the mandrel's offset receptacle bore.
Inventors
- 👤 William H. Pullin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:04
CPC Classifications
E; E21; E21B; E21B23/00; E21B23/03
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
166 words
An improved orienting-type side pocket mandrel, including: a. elongate body means having a main passage therethrough; b. connecting means on opposite ends of said body means for attachment to a string of well tubing; c. receptacle bore means in said body means offset from and extending alongside said main passage for receiving a flow control device; d. port means in said body means communicating said receptacle bore means with the exterior of said mandrel; e. offset belly means in said body means above said receptacle bore means providing space for operation of a handling tool for installing a device in said receptacle bore means; and f. an orienting sleeve in said body means for orienting said handling tool relative to said receptacle bore means, said orienting sleeve having: i. a longitudinally extending orienting slot therein, and ii. a pair of guide surfaces below said slot and directed upwardly toward the bottom of said slot, said pair of guide surfaces having their upper ends longitudinally spaced apart.
Claim 2
Dependent Claim
166 words
An improved orienting-type side pocket mandrel, including: a. elongate body means having a main passage therethrough; b. connecting means on opposite ends of said body means for attachment to a string of well tubing; c. receptacle bore means in said body means offset from and extending alongside said main passage for receiving a flow control device; d. port means in said body means communicating said receptacle bore means with the exterior of said mandrel; e. offset belly means in said body means above said receptacle bore means providing space for operation of a handling tool for installing a device in said receptacle bore means; and f. an orienting sleeve in said body means for orienting said handling tool relative to said receptacle bore means, said orienting sleeve having: i. a longitudinally extending orienting slot therein, and ii. a pair of guide surfaces below said slot and directed upwardly toward the bottom of said slot, said pair of guide surfaces having their upper ends longitudinally spaced apart.
Claim 3
Dependent Claim
17 words
The mandrel of claim 1, wherein the guide surfaces on said orienting sleeve are unequal in length.
Claim 4
Dependent Claim
20 words
The mandrel of claim 2, wherein the guide surfaces on said orienting sleeve are helical and have unequal helix angles.
Claim 5
Dependent Claim
30 words
The mandrel of claim 2, wherein the lower ends of said guide surfaces of said orienting sleeve converge at a point angularly displaced from said slot by approximately 90 degrees.
Claim 6
Dependent Claim
27 words
The mandrel of claim 1, 2, 3 or 4, including a stop shoulder in said orienting slot for stopping said handling tool for activating said handling tool.
Claim 7
Dependent Claim
14 words
The mandrel of claim 5, wherein said stop shoulder completely blocks said orienting slot.
Claim 8
Dependent Claim
20 words
The mandrel of claim 5, wherein said orienting sleeve is located in said body means above said offset belly means.
Claim 9
Dependent Claim
28 words
The mandrel of claim 1, 2, 3 or 4, wherein said orienting sleeve is located in said body means below the upper end of said receptacle bore means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-04-03 | 1987-10-03 | 1988-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-03 | 1991-10-03 | 1992-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-03 | 1995-10-03 | 1996-04-03 | $7700.00 | Window Closed / Lapsed |