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US3100531A Expired / Lapsed US ⏱️ 0.0 years remaining

Well apparatus and methods of running a plurality of tubing strings in a well bore or pipe

Assignee: Baker Hughes Holdings LLC
•
Filing: 1955-06-29
•
Granted: 1963-08-13
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Expires: 1975-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 Cicero C Brown

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 17:26
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/02; E21B43/10; E21B43/14

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 190 words
IN COMBINATION WITH A WELL PACKER DISPOSED WITHIN A WELL BORE IN A SET POSITION TO SEPARATE TWO PRODUCING ZONES WHERIN SAID PACKER HAS A PASSAGE EXTENDING THERETHROUGH, A TUBING STRING SUPPORT ASSEMBLY INCLUDING, A BODY HAVING A PAIR OF PASSAGES EXTENDING THERETHROUGH, A FIRST TUBING STRING EXTENDING ENTIRELY THROUGH ONE OF THE PASSAGES AND CONNECTED TO THE BODY, THE LOWER PORTION OF SAID FIRST TUBING STRING PROJECTING DOWNWARDLY FROM THE BODY AND HAVING ITS LOWER END EXTENDING THROUGH THE PASSAGE IN THE WELL PACKER TO COMMUNICATE WITH THE PRODUCING ZONE BELOW SAID PACKER, A GRIPPING SLIP ASSEMBLY INCLUDING GRIPPING SLIPS SLIDABLY MOUNTED ON THE DOWNWARDLY PROJECTING PORTION OF THE TUBING STRING WHEREBY WHEN THE ASSEMBLY MOVES UPWARDLY RELATIVE TO THE BODY THE SLIPS ENCIRCLE SAID BODY, EXPANDER MEANS ON THE BODY TO CO-ACT WITH SAID SLIPS FOR EXPANDING THE SLIPS INTO GRIPPING POSITION WHEN THE SLIP ASSEMBLY AND THE BODY ARE MOVED RELATIVE TO EACH OTHER, SAID SLIPS SUPPORTING SAID BODY WHEN THE SLIPS ARE IN EXPANDED POSITION, CO-ACTING LATCHING MEANS ON THE DOWNWARDLY EXTENDING PORTION OF SAID FIRST TUBING STRING AND ON SAID GRIPPING SLIP ASSEMBLY FOR LATCH-
Claim 2
Dependent Claim 190 words
IN COMBINATION WITH A WELL PACKER DISPOSED WITHIN A WELL BORE IN A SET POSITION TO SEPARATE TWO PRODUCING ZONES WHERIN SAID PACKER HAS A PASSAGE EXTENDING THERETHROUGH, A TUBING STRING SUPPORT ASSEMBLY INCLUDING, A BODY HAVING A PAIR OF PASSAGES EXTENDING THERETHROUGH, A FIRST TUBING STRING EXTENDING ENTIRELY THROUGH ONE OF THE PASSAGES AND CONNECTED TO THE BODY, THE LOWER PORTION OF SAID FIRST TUBING STRING PROJECTING DOWNWARDLY FROM THE BODY AND HAVING ITS LOWER END EXTENDING THROUGH THE PASSAGE IN THE WELL PACKER TO COMMUNICATE WITH THE PRODUCING ZONE BELOW SAID PACKER, A GRIPPING SLIP ASSEMBLY INCLUDING GRIPPING SLIPS SLIDABLY MOUNTED ON THE DOWNWARDLY PROJECTING PORTION OF THE TUBING STRING WHEREBY WHEN THE ASSEMBLY MOVES UPWARDLY RELATIVE TO THE BODY THE SLIPS ENCIRCLE SAID BODY, EXPANDER MEANS ON THE BODY TO CO-ACT WITH SAID SLIPS FOR EXPANDING THE SLIPS INTO GRIPPING POSITION WHEN THE SLIP ASSEMBLY AND THE BODY ARE MOVED RELATIVE TO EACH OTHER, SAID SLIPS SUPPORTING SAID BODY WHEN THE SLIPS ARE IN EXPANDED POSITION, CO-ACTING LATCHING MEANS ON THE DOWNWARDLY EXTENDING PORTION OF SAID FIRST TUBING STRING AND ON SAID GRIPPING SLIP ASSEMBLY FOR LATCH-

References Cited (Backward Citations)

US381013A Cited
US1035850A Cited
US1050689A Cited
US1118538A Cited
US1532670A Cited
US1723682A Cited
US1871867A Cited
US2335355A Cited
US2290142A Cited
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US2488931A Cited
US2751019A Cited
US2785754A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-08-12 1967-02-11 1967-08-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-08-12 1971-02-11 1971-08-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-08-12 1975-02-11 1975-08-13 $7700.00 Window Closed / Lapsed

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