Patent US3324717A successfully refreshed from Google Patents.
US3324717A
Expired / Lapsed
US
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System and method for optimizing drilling operations
Assignee: Mobil Oil AS
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Filing: 1963-10-28
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Granted: 1967-06-13
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 Warren B Brooks
- 👤 James T Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:19
CPC Classifications
E; E21; E21B; E21B44/00; E21B19/00; E21B19/08; E21B19/084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A DRILLING INFORMATION GATHERING SYSTEM FOR OPTIMIZING DRILLING BY A DRILLING RIG WHEREIN A POWER ROTATING MEANS DELIVERS TORQUE TO ROTATE A DRILL STRING SUSPENDED FROM A TRAVELING BLOCK MOVING IN RESPONSE TO MOVEMENT OF A CABLE ARRANGED OVER MULTIPLE SHEAVES MOUNTED IN A CROWN BLOCK, AND TURNING A BIT DRILLING A BOREHOLE INTO SUBSURFACE FORMATIONS WHILE CIRCULATING A DRILLING FLUID TO KEEP THE BIT AND BOTTOM OF THE BOREHOLE CLEANED OF CUTTINGS, WHICH COMPRISES IN COMBINATION: (A) MEANS FOR GENERATING A FIRST FUNCTION REPRESENTATIVE OF PENETRATION OF THE BIT INTO THE SUBSURFACE FORMATION, WHICH MEANS COMPRISES A WHEEL MOUNTED IN JUXTAPOSITION SELECTED SHEAVE IN SAID CROWN BLOCK FOR CONTROLLABLE PROPORTIONING MOVEMENT AND TROUBLEFREE OPERATION, AND RESPONSIVE TO ROTATIONAL MOVEMENT THEREOF, A CONSTANT VOLTAGE D.C. POWERED, 360*, SINGLE-TURN, CONTINUOUSLY ROTATABLE POTENTIOMETER CONNECTED TO SAID WHEEL AND MOVING IN PROPORTION TO ROTATIONAL MOVEMENT THEREOF TO GENERATE SAID FIRST FUNCTION ACCURATELY REPRESENTING SMALL AND LARGE MOVEMENTS OF SAID BIT WITH RESPECT TO TIME, (B) MEANS FOR GENERATING A SECOND FUNCTION REPRESENTATIVE OF WEIGHT ON THE BIT,
Claim 2
Dependent Claim
174 words
A DRILLING INFORMATION GATHERING SYSTEM FOR OPTIMIZING DRILLING BY A DRILLING RIG WHEREIN A POWER ROTATING MEANS DELIVERS TORQUE TO ROTATE A DRILL STRING SUSPENDED FROM A TRAVELING BLOCK MOVING IN RESPONSE TO MOVEMENT OF A CABLE ARRANGED OVER MULTIPLE SHEAVES MOUNTED IN A CROWN BLOCK, AND TURNING A BIT DRILLING A BOREHOLE INTO SUBSURFACE FORMATIONS WHILE CIRCULATING A DRILLING FLUID TO KEEP THE BIT AND BOTTOM OF THE BOREHOLE CLEANED OF CUTTINGS, WHICH COMPRISES IN COMBINATION: (A) MEANS FOR GENERATING A FIRST FUNCTION REPRESENTATIVE OF PENETRATION OF THE BIT INTO THE SUBSURFACE FORMATION, WHICH MEANS COMPRISES A WHEEL MOUNTED IN JUXTAPOSITION SELECTED SHEAVE IN SAID CROWN BLOCK FOR CONTROLLABLE PROPORTIONING MOVEMENT AND TROUBLEFREE OPERATION, AND RESPONSIVE TO ROTATIONAL MOVEMENT THEREOF, A CONSTANT VOLTAGE D.C. POWERED, 360*, SINGLE-TURN, CONTINUOUSLY ROTATABLE POTENTIOMETER CONNECTED TO SAID WHEEL AND MOVING IN PROPORTION TO ROTATIONAL MOVEMENT THEREOF TO GENERATE SAID FIRST FUNCTION ACCURATELY REPRESENTING SMALL AND LARGE MOVEMENTS OF SAID BIT WITH RESPECT TO TIME, (B) MEANS FOR GENERATING A SECOND FUNCTION REPRESENTATIVE OF WEIGHT ON THE BIT,
References Cited (Backward Citations)
US2161256A
Cited
US2688871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |