US3079332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and composition for reducing fluid loss
Assignee: Atlantic Richfield Co
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Filing: 1957-07-23
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Granted: 1963-02-26
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Expires: 1977-07-23
Abstract
No abstract record available.
Inventors
- 👤 Reece E Wyant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:46
CPC Classifications
C; C09; C09K; C09K17/00; C09K17/40; C09K17/48; C09K17/14; C09K17/18; C09K17/32; C09K8/00; C09K8/02; C09K8/04; C09K8/14; C09K8/18; C09K8/20; C09K8/206; C09K8/50; C09K8/504; C09K8/506; C09K8/508; C09K8/512; C09K8/60; C09K8/62; C09K8/66; C09K8/68; C09K8/685; Y; Y10; Y10S; Y10S507/00; Y10S507/903; Y10S507/922
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
127 words
IN A METHOD FOR DRILLING A WELL BORE IN A SUBSURFACE FORMATION WHEREIN AN AQUEOUS DRILLING FLUID NORMALLY SUBJECT TO RAPID FILTRATION THROUGH THE PORES OF THE FORMATION IS EMPLOYED, THE IMPROVEMENT COMPRISING ADDING TO AN AQUEOUS DRILLING FLUID BETWEEN 0.1 AND 1.0% BY WEIGHT OF WATER OF AN ORGANIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF GUAR GUM AND LOCUST BEAN GUM, SUFFICIENT BORON COMPOUND CAPABLE OF SUPPLYING ENOUGH BORATE IONS TO REACT WITH SAID ORGANIC COMPOUND AND CAPABLE OF MAINTAINING FREE BORATE IONS IN SAID FLUID, AND SUFFICIENT ALKALINE FLUID TO RASE THE PH OF SAID FLUID TO ABOVE 8.0, AND BETWEEN 1 AND 16 POUNDS OF STARCH PER BARREL OF SAID AQUEOUS DRILLING FLUID, AND CIRCULATING SAID AQUEOUS DRILLING FLUID ABOUT THE DRILL BIT.
Claim 2
Dependent Claim
127 words
IN A METHOD FOR DRILLING A WELL BORE IN A SUBSURFACE FORMATION WHEREIN AN AQUEOUS DRILLING FLUID NORMALLY SUBJECT TO RAPID FILTRATION THROUGH THE PORES OF THE FORMATION IS EMPLOYED, THE IMPROVEMENT COMPRISING ADDING TO AN AQUEOUS DRILLING FLUID BETWEEN 0.1 AND 1.0% BY WEIGHT OF WATER OF AN ORGANIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF GUAR GUM AND LOCUST BEAN GUM, SUFFICIENT BORON COMPOUND CAPABLE OF SUPPLYING ENOUGH BORATE IONS TO REACT WITH SAID ORGANIC COMPOUND AND CAPABLE OF MAINTAINING FREE BORATE IONS IN SAID FLUID, AND SUFFICIENT ALKALINE FLUID TO RASE THE PH OF SAID FLUID TO ABOVE 8.0, AND BETWEEN 1 AND 16 POUNDS OF STARCH PER BARREL OF SAID AQUEOUS DRILLING FLUID, AND CIRCULATING SAID AQUEOUS DRILLING FLUID ABOUT THE DRILL BIT.
Claim 3
Dependent Claim
125 words
IN A METHOD FOR PROVIDING LATERAL FLOW CHANNELS IN A SUBSURFACE FORMATION WHEREIN AN AQUEOUS FRACTURING FLUID NORMALLY SUBJECT TO RAPID FILTRATION THROUGH THE PORES OF THE FORMATION IS EMPLOYED, THE IMPROVEMENT COMPRISING ADDING TO AN AQUEOUS FRACTURING FLUID BETWEEN 0.1 AND 1.0% BY WEIGHT OF WATER OF AN ORGANIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF GUAR GUM AND LOCUST BEAN GUM, SUFFICIENT BORON COMPOUND CAPABLE OF SUPPLYING ENOUGH BORATE IONS TO REACT WITH SAID ORGANIC COMPOUND AND CAPABLE OF MAINTAINING FREE BORATE IONS IN SAID FLUID AND SUFFICIENT ALKALINE FLUID TO RAISE THE PH OF SAID FLUID TO ABOVE 8.0, AND BETWEEN 1 AND 16 POUNDS OF STARCH PER BARREL OF SAID AQUEOUS FRACTURING FLUID, AND FORCING SAID AQUEOUS SOLUTION INTIO SAID FORMATION.
Claim 4
Dependent Claim
125 words
IN A METHOD FOR PROVIDING LATERAL FLOW CHANNELS IN A SUBSURFACE FORMATION WHEREIN AN AQUEOUS FRACTURING FLUID NORMALLY SUBJECT TO RAPID FILTRATION THROUGH THE PORES OF THE FORMATION IS EMPLOYED, THE IMPROVEMENT COMPRISING ADDING TO AN AQUEOUS FRACTURING FLUID BETWEEN 0.1 AND 1.0% BY WEIGHT OF WATER OF AN ORGANIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF GUAR GUM AND LOCUST BEAN GUM, SUFFICIENT BORON COMPOUND CAPABLE OF SUPPLYING ENOUGH BORATE IONS TO REACT WITH SAID ORGANIC COMPOUND AND CAPABLE OF MAINTAINING FREE BORATE IONS IN SAID FLUID AND SUFFICIENT ALKALINE FLUID TO RAISE THE PH OF SAID FLUID TO ABOVE 8.0, AND BETWEEN 1 AND 16 POUNDS OF STARCH PER BARREL OF SAID AQUEOUS FRACTURING FLUID, AND FORCING SAID AQUEOUS SOLUTION INTIO SAID FORMATION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |