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US3846310A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydraulic fracturing method using gelled hydrocarbons

Assignee: ExxonMobil Upstream Research Co
•
Filing: 1972-03-03
•
Granted: 1974-11-05
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Expires: 1992-03-03
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Abstract

Abstract 1. A METHOD FOR THE HYDRAULIC FRACTURING OF A SUBTERRANEAN FORMATION PENETRATED BY A WELL WHICH CIOMPRISES INJECTING INTO SAID FORMATION AT A PRESSURE SUFFICIENT TO OPEN A FRACTURE THEREIN A LIQUID HYDROCARBON CONTAINING (A) A GELLING AGENT WHICH INCLUDES FIRST ALKOXIDE HAVING THE GENERAL FORMULA MOR AND A SECOND ALKOXIDE HAVING THE GENERAL FORMULA M''(OR'')3 WHERIN M IS SELECTED FROM THE GROUP CONSISTING OF GROUP IA METALS , M'' IS SELECTED FROM THE GROUP CONSISTING OF GROUP IIIA ELEMENTS, AND R AND R'' ARE INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF C1 TO C25 HYDROCARBYL RADICALS, SAID GELLING AGENT BEING PRESENT IN A CONCENTRATION SUFFICIENT TO SUBSTANTIALLY INCREASE THE VISCOSITY OF SAID LIQUID HYDROCARBON; AND (B) A DRYING AGENT SELECTED FROM THE GROUP CONSISTING OF CALCIUM CHLORIDE, ZINC CHLORIDE, CALCIUM OXIDE, BARIUM OXIDE, PHOSPHORUS PENTOXIDE, CALCIUM SULFATE, SODIUM SULFATE, MAGNESIUM SULFATE, SODIUM HYDROXIDE, POTASSIUM HYDROXIDE AND BORIC ANHYDRIDE IN AN AMOUNT SUFFICIENT TO PREVENT PREMATURE DECOMPOSITION OF SAID GELLING AGENT.

Inventors

  • 👤 R Blackwell
  • 👤 D Kehn
  • 👤 T Whitney

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 22:46
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/62; C09K8/64; Y; Y10; Y10S; Y10S507/00; Y10S507/922

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 160 words
A METHOD FOR THE HYDRAULIC FRACTURING OF A SUBTERRANEAN FORMATION PENETRATED BY A WELL WHICH CIOMPRISES INJECTING INTO SAID FORMATION AT A PRESSURE SUFFICIENT TO OPEN A FRACTURE THEREIN A LIQUID HYDROCARBON CONTAINING (A) A GELLING AGENT WHICH INCLUDES FIRST ALKOXIDE HAVING THE GENERAL FORMULA MOR AND A SECOND ALKOXIDE HAVING THE GENERAL FORMULA M''(OR'')3 WHERIN M IS SELECTED FROM THE GROUP CONSISTING OF GROUP IA METALS , M'' IS SELECTED FROM THE GROUP CONSISTING OF GROUP IIIA ELEMENTS, AND R AND R'' ARE INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF C1 TO C25 HYDROCARBYL RADICALS, SAID GELLING AGENT BEING PRESENT IN A CONCENTRATION SUFFICIENT TO SUBSTANTIALLY INCREASE THE VISCOSITY OF SAID LIQUID HYDROCARBON; AND (B) A DRYING AGENT SELECTED FROM THE GROUP CONSISTING OF CALCIUM CHLORIDE, ZINC CHLORIDE, CALCIUM OXIDE, BARIUM OXIDE, PHOSPHORUS PENTOXIDE, CALCIUM SULFATE, SODIUM SULFATE, MAGNESIUM SULFATE, SODIUM HYDROXIDE, POTASSIUM HYDROXIDE AND BORIC ANHYDRIDE IN AN AMOUNT SUFFICIENT TO PREVENT PREMATURE DECOMPOSITION OF SAID GELLING AGENT.
Claim 2
Independent Claim 160 words
A METHOD FOR THE HYDRAULIC FRACTURING OF A SUBTERRANEAN FORMATION PENETRATED BY A WELL WHICH CIOMPRISES INJECTING INTO SAID FORMATION AT A PRESSURE SUFFICIENT TO OPEN A FRACTURE THEREIN A LIQUID HYDROCARBON CONTAINING (A) A GELLING AGENT WHICH INCLUDES FIRST ALKOXIDE HAVING THE GENERAL FORMULA MOR AND A SECOND ALKOXIDE HAVING THE GENERAL FORMULA M''(OR'')3 WHERIN M IS SELECTED FROM THE GROUP CONSISTING OF GROUP IA METALS , M'' IS SELECTED FROM THE GROUP CONSISTING OF GROUP IIIA ELEMENTS, AND R AND R'' ARE INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF C1 TO C25 HYDROCARBYL RADICALS, SAID GELLING AGENT BEING PRESENT IN A CONCENTRATION SUFFICIENT TO SUBSTANTIALLY INCREASE THE VISCOSITY OF SAID LIQUID HYDROCARBON; AND (B) A DRYING AGENT SELECTED FROM THE GROUP CONSISTING OF CALCIUM CHLORIDE, ZINC CHLORIDE, CALCIUM OXIDE, BARIUM OXIDE, PHOSPHORUS PENTOXIDE, CALCIUM SULFATE, SODIUM SULFATE, MAGNESIUM SULFATE, SODIUM HYDROXIDE, POTASSIUM HYDROXIDE AND BORIC ANHYDRIDE IN AN AMOUNT SUFFICIENT TO PREVENT PREMATURE DECOMPOSITION OF SAID GELLING AGENT.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-04 1978-05-06 1978-11-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-04 1982-05-06 1982-11-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-04 1986-05-06 1986-11-05 $7700.00 Window Closed / Lapsed

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