Patent US2798003A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2798003A Expired / Lapsed US ⏱️ 0.0 years remaining

Well cementing composition

Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1955-04-25
•
Granted: 1957-07-02
•
Expires: 1975-04-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Bryan E Morgan
  • 👤 George K Dumbauld

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 16:08
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; C04B24/00; C04B24/12

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 261 words
A METHOD FOR DETERMINING THE GEOPHISCAL PROPERABOUT 11 TO APPROXIMATELY 121/2 LBS. PER GALLON AND HAVING TIES OF SELECTED PORTIONS OF UNDERGROUND GEOLOGICAL A TENSILE STRENGTH WHEN SET BELOW 300 LBS. PER SQ. IN. FORMATIONS WHICH COMPRIES MAINTAINING AT LEAST TWO WHICH CONSISTS OF A PORTLAND CEMENT, A LIQUID HYDROSPACED ELECTRODES IN CONTACT WITH A SELECTED PORTION OF CARBON SELECTED FROM THE CLASS CONSISTING OF PURE HYDROTHE EARTH, IMPRESSING A VOLTAGE DIFFERENCE BETWEEN SAID CARBONS AND HYDROCARBON MIXTURES HAVING A VISCOSITY AT ELECTRODES SO AS TO INDUCE A MAINTAIN AN ELECTRIC CUR100*F. LESS THAN 40 CENTIPOISES IN AN AMOUNT IN THE RENT FLOW THEREBETWEEN THROUGH SAID SELECTED PORTION OF RANGE BETWEEN 15 CC. AND 60 CC. PER 100 GRAMS OF THE SAID GELOFICAL FORMATIONS UNDER CONDITIONS WHICH DRY CEMENT, AN EMULSIFYING AGENT SELECTED FROM THE CLASS OTHERWISE PRODUCT SUBSTANTIAL ADVERSE POLARIZATION OFCONSISTING OF THE CALCIUM TOLERANT CATION ALKYL SUBSTITUTED FECTS AT THE SURFACE OF SAID ELECTRODES, MEASURING AND REQUATERNARY AMMONIUM HALIDES IN AN AMOUNT IN THE RANGE CORDING ELECTRICAL EFFECTS OF SAID CURRENT FLOW AS CHARBETWEEN 0.1% AND 1.0% BY WEIGHT BASED ON THE DRY CEACTERISTIC OF THE NATURE OF SAID PORTION OF GEOLOGICAL MENT, AND WATER IN AN AMOUNT IN THE RANGE BETWEEN 50% FORMATION, AND ELIMINATING INTERFERENCE OF GAS AND IRON AND 100% BY WEIGHT BASED ON THE DRY CEMENT SUFFICIENT DEPLETION POLARIZATION WITH THE MEASURED ELECTRICAL EFTO PROVIDE A PUMPABLE SLURRY. FECTS OF SAID CURRENT FLOW BY HE STEP OF MAINTAINING A FIELD OF RADIOCTIVE RADIATION AT AT LEAST ONE OF SAID THE MATERIAL IMEDIATELY ADJACENT SAID ELECTRODE.
Claim 2
Independent Claim 261 words
A METHOD FOR DETERMINING THE GEOPHISCAL PROPERABOUT 11 TO APPROXIMATELY 121/2 LBS. PER GALLON AND HAVING TIES OF SELECTED PORTIONS OF UNDERGROUND GEOLOGICAL A TENSILE STRENGTH WHEN SET BELOW 300 LBS. PER SQ. IN. FORMATIONS WHICH COMPRIES MAINTAINING AT LEAST TWO WHICH CONSISTS OF A PORTLAND CEMENT, A LIQUID HYDROSPACED ELECTRODES IN CONTACT WITH A SELECTED PORTION OF CARBON SELECTED FROM THE CLASS CONSISTING OF PURE HYDROTHE EARTH, IMPRESSING A VOLTAGE DIFFERENCE BETWEEN SAID CARBONS AND HYDROCARBON MIXTURES HAVING A VISCOSITY AT ELECTRODES SO AS TO INDUCE A MAINTAIN AN ELECTRIC CUR100*F. LESS THAN 40 CENTIPOISES IN AN AMOUNT IN THE RENT FLOW THEREBETWEEN THROUGH SAID SELECTED PORTION OF RANGE BETWEEN 15 CC. AND 60 CC. PER 100 GRAMS OF THE SAID GELOFICAL FORMATIONS UNDER CONDITIONS WHICH DRY CEMENT, AN EMULSIFYING AGENT SELECTED FROM THE CLASS OTHERWISE PRODUCT SUBSTANTIAL ADVERSE POLARIZATION OFCONSISTING OF THE CALCIUM TOLERANT CATION ALKYL SUBSTITUTED FECTS AT THE SURFACE OF SAID ELECTRODES, MEASURING AND REQUATERNARY AMMONIUM HALIDES IN AN AMOUNT IN THE RANGE CORDING ELECTRICAL EFFECTS OF SAID CURRENT FLOW AS CHARBETWEEN 0.1% AND 1.0% BY WEIGHT BASED ON THE DRY CEACTERISTIC OF THE NATURE OF SAID PORTION OF GEOLOGICAL MENT, AND WATER IN AN AMOUNT IN THE RANGE BETWEEN 50% FORMATION, AND ELIMINATING INTERFERENCE OF GAS AND IRON AND 100% BY WEIGHT BASED ON THE DRY CEMENT SUFFICIENT DEPLETION POLARIZATION WITH THE MEASURED ELECTRICAL EFTO PROVIDE A PUMPABLE SLURRY. FECTS OF SAID CURRENT FLOW BY HE STEP OF MAINTAINING A FIELD OF RADIOCTIVE RADIATION AT AT LEAST ONE OF SAID THE MATERIAL IMEDIATELY ADJACENT SAID ELECTRODE.
Claim 3
Dependent Claim 8 words
A CEMENT COMPOSITION ADAPTED FOR USE IN WELL
Claim 4
Dependent Claim 8 words
A CEMENT COMPOSITION ADAPTED FOR USE IN WELL

References Cited (Backward Citations)

US1109120A Cited
US1599903A Cited
US2054257A Cited
US2285302A Cited
US2582459A Cited
US2644771A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-07-01 1960-12-31 1961-07-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-07-01 1964-12-31 1965-07-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-07-01 1968-12-31 1969-07-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag