US3263753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well completion method and system
Assignee: ExxonMobil Upstream Research Co
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Filing: 1963-11-20
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Granted: 1966-08-02
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Expires: 1983-11-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles B Corley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:48
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/122; E21B23/00; E21B23/08; E21B33/13; E21B33/14; E21B43/00; E21B43/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
IN A SUBSEA WELL TRAVERSING A FIRST PRODUCING SUBSURFACE FORMATION AND A SECOND PRODUCING SUBSURFACE FORMATION VERTICALLY SEPARATED FROM SAID FIRST PRODUCING SUBSURFACE FORMATION: A FIRST TUBING STRING EXTENDING TO A POINT ADJACENT THE UPPER PRODUCING SUBSURFACE FORMATION; A SECOND TUBING STRING EXTENDING TO A POINT ADJACENT THE LOWER PRODUCING SUBSURFACE FORMATION; UPPER PACKING MEANS ABOUT THE FIRST TUBING STRING AND THE SECOND TUBING STRING AND ABOVE THE UPPER PRODUCING SUBSURFACE FORMATION; LOWER PACKING MEANS ABOUT THE SECOND TUBING STRING AND BETWEEN THE UPPER AND LOWER PRODUCING SUBSURFACE FORMATIONS; A THIRD TUBING STRING; A FIRST CONDUIT INTERCONNECTING THE FIRST TUBING STRING AND THE THIRD TUBING STRING; A SECOND CONDUIT INTERCONNECTING THE SECOND TUBING STRING AND THE THIRD TUBING STRING; AND MEANS FOR DIRECTING THE FLOW OF FLUID FROM THE UPPER PRODUCING SUBSURFACE FORMATION THROUGH ONE OF SAID THREE TUBING STRINGS AND DIRECTING THE FLOW OF FLUID FROM THE LOWER PRODUCING SUBSURFACE FORMATION THROUGH A SECOND OF SAID THREE TUBING STRINGS, AND MEANS INCLUDING A FLUID PRESSURE REMOVABLE SEALING AND FLUID DIRECTING MEMBER.
Claim 2
Dependent Claim
172 words
IN A SUBSEA WELL TRAVERSING A FIRST PRODUCING SUBSURFACE FORMATION AND A SECOND PRODUCING SUBSURFACE FORMATION VERTICALLY SEPARATED FROM SAID FIRST PRODUCING SUBSURFACE FORMATION: A FIRST TUBING STRING EXTENDING TO A POINT ADJACENT THE UPPER PRODUCING SUBSURFACE FORMATION; A SECOND TUBING STRING EXTENDING TO A POINT ADJACENT THE LOWER PRODUCING SUBSURFACE FORMATION; UPPER PACKING MEANS ABOUT THE FIRST TUBING STRING AND THE SECOND TUBING STRING AND ABOVE THE UPPER PRODUCING SUBSURFACE FORMATION; LOWER PACKING MEANS ABOUT THE SECOND TUBING STRING AND BETWEEN THE UPPER AND LOWER PRODUCING SUBSURFACE FORMATIONS; A THIRD TUBING STRING; A FIRST CONDUIT INTERCONNECTING THE FIRST TUBING STRING AND THE THIRD TUBING STRING; A SECOND CONDUIT INTERCONNECTING THE SECOND TUBING STRING AND THE THIRD TUBING STRING; AND MEANS FOR DIRECTING THE FLOW OF FLUID FROM THE UPPER PRODUCING SUBSURFACE FORMATION THROUGH ONE OF SAID THREE TUBING STRINGS AND DIRECTING THE FLOW OF FLUID FROM THE LOWER PRODUCING SUBSURFACE FORMATION THROUGH A SECOND OF SAID THREE TUBING STRINGS, AND MEANS INCLUDING A FLUID PRESSURE REMOVABLE SEALING AND FLUID DIRECTING MEMBER.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |