US2099825A - Oil base hydratable drilling fluid - Google Patents

Oil base hydratable drilling fluid Download PDF

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Publication number
US2099825A
US2099825A US1727235A US2099825A US 2099825 A US2099825 A US 2099825A US 1727235 A US1727235 A US 1727235A US 2099825 A US2099825 A US 2099825A
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oil
drilling
fluid
water
material
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Expired - Lifetime
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Ferdinand W Rolshausen
Sam L Bishkin
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Standard Oil Development Co
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Standard Oil Development Co
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02Well-drilling compositions
    • C09K8/32Non-aqueous well-drilling compositions, e.g. oil-based
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00Earth boring, well treating, and oil field chemistry
    • Y10S507/91Earth boring fluid devoid of discrete aqueous phase

Description

Patented Nov. 23, 1937 I v i UNlTED STATES f n Q 1L BASE I I Ferdinand W. Rolshausen and Sam LIBishkin, Houston, Tex., assignors to. Standard Oil Development )ornpany, acorporation of' Delawai-e No Drawing. Application April '19,. 1935,

Serial No. 17,272

6 Claims. (of. 55 -1) In many oil-producing areas a formation comoxides, zinc dust, lead dust, or other metal fillers.

monly known as heaving shale" is frequently en- During the process ofgdrilling, water may be countered in the drilling of wells for oil or gas. picked up by. the drilling mud from the earth This formation is diflicult to penetrate. In rotary strata penetrated by the drill. Similarly, water drilling the bit which digs into the formations is may be formed by the reaction. during the prepturned by means of a pipe extending throughout aration of the drilling fluid. A readily hydratathe length of the hole being drilled. In order to ble material is addedto the drilling fluid to abremove the particles of sand, shale or rock cut sorb this water and prevent-the water from by the bit, mud is pumped into the pipe which contacting the heaving shale. The hydratable 10 rotates the bit. This mud ascends to the surmaterial may be a hydratable clay such as ben- 10 face of the ground exteriorly of the pipe and cartoniticclay, gelatin, agar agarfor the like. ries with it the rock particles cut by the bit. In order-to insure the substantially permanent In addition-to the removal of the cuttings, this suspension of the weighting material and the wamud fluid serves also for other useful purposes, ter absorptive material in the oil, a suitable l5 chief among which is to hold in the pores of the amount of soap producing materials is added to rock any water, oil or gas found in the formations the mixture. The base for such a soap producpenetrated. In order to do this, the hydrostatic ing mixture maybe lime, preferably added as ahead of the mud fluid must exceed the pressure suspension of hydrated lime inwater. Alternaon the fluids in the earth formations. tively, other substances by which soluble, partly Ordinarily the mud used in this work is a sussoluble or insoluble soaps can be produced may 20 pension of clay or other earth material in water. be used, for example, alkali metal oxides and hy- In drilling through heaving shale the hole is iredroxides, ammonium hydroxides, or the like. quently lost because the shale swells or disinte- These materials when combined with a suitable grates and fills the hole already drilled. Often acid radical will function as emulsifying agents this movement of the shale freezes or sticks the or suspending agents.

drill pipe and bit, making it diflicult or impossible An additional suspending or-dlspersing agent to remove the tools from the hole. An examinais preferably added to the mixture to render the tion of cores of this formation indicates that the suspension more stable and'more easy to handle. trouble is caused principally by hydration of the The additional agent may be crude oleic acid,

shale particles on contact with water. The water stearic acid, palmitic acid, or the like, which will 30 causes the shale'to swell or disintegrate and this react with the basic materials previously menswelling or disintegration is responsible for the tioned to form a soluble, partly soluble, or inmovement of the heaving shale into the hole soluble soap. of the drilling well. The water of the drilling It will be understood that either the basic mafluids previously-used hydrates the heaving shale terial or the acidic material may be omitted and 5 and causes the diflicult experiences in drilling some of the advantages of the invention will be this formation. retained. Both the acidic material and the basic It is an object of this invention to provide material function as suspending or dispersing a drilling fluid which will be inert to heaving agents. The hydrated lime is a suspension agent 40 shale and will not cause the shale to swell or disfor the solid material of the composition and it 40 integrate. serves also to emulsify water contamination, con- In accordance with the present invention, a verting it to the water-in-oil type of emulsion. non-aqueousdrilling fluid is provided, the base A suitable method of preparing the drilling or dispersion medium of whiith is non-aqueous fluid is as follows: l

material, inert to heaving shale. The non-aque- The oleic acid is added to a portion of the 45 ous material may be an oil. The oil may be a naphtha and stirred. The lime suspension is hydrocarbon such as a petroleum crude oil, disnext added and an insoluble soap is produced. tillate or residue. Tars of sufficiently low vis- To this soap naphtha mixture is added the .recosity may be used as the base fluid. The oil mainder of the naphtha and a required amount of may be a. crude oil which has been topped or gas crude barium sulfate to produce the desired den- 50 oil. Similarly, lubricating oils, kerosene, naphsity of drilling fluid. The materials are thortha and the like can be used. oughly stirred together, for example, by means of The oil base, such as naphtha, is preferably passing the me through acolloid machine or mixed with a. weighting material such as finely by pumping the materials to efiect thorough in-- divided barium sulfate, sand, calcined clay, iron termixinz. a

The resulting product weighs 11.7 lbs. per gal- We claim: Ion of fluid. It is sufllciently stable so that less, 1. A drilling fluid, comprising'an oil, a weightthan 01' 1% of the solid material separates from the body of the mixture over' a 24-hour period when the mixture undisturbed.

The resulting drilling fluid contact with tact with the heaving shale.

The foregoing description is merely illustrative of preferred forms of the invention and various changes may be made within the scope of the appended claims in which it is intended to claim all novelty as broadly as the prior art permits.

ing material, and a water-insoluble soap.

2. A drilling fluid for oil or gas wells, comprising an oil and an emulsifying agent adapted to form a water-in-oil emulsion.

3. A drilling fluid for oil or gas wells, comprising an oil, a weighting material and a water insoluble soap.

4. A drilling fluid for oil or gas wells, comprising an oil, a hydratable clay, and a water insoluble soap.

5. A drilling fluid comprising a petroleum oil and a reagent which forms a water in oilemulsion.

6. A drilling fluid comprising a petroleum oil, a. weighting material, hydrated lime, and a reagent which forms a water in oil emulsion.

FERDINAND W. ROIBHAUSEN. SAM L. BISImN.

US2099825A 1935-04-19 1935-04-19 Oil base hydratable drilling fluid Expired - Lifetime US2099825A (en)

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Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2509588A (en) * 1946-11-04 1950-05-30 Shell Dev Emulsion fluid for drilling wells
US2531662A (en) * 1947-01-18 1950-11-28 Stanolind Oil & Gas Co Drilling fluids
US2542019A (en) * 1948-07-22 1951-02-20 Union Oil Co Drilling fluids
US2557647A (en) * 1948-07-27 1951-06-19 Shell Dev Emulsion fluid for drilling wells
US2573959A (en) * 1948-02-24 1951-11-06 Union Oil Co Drilling fluids
US2573960A (en) * 1949-04-22 1951-11-06 Union Oil Co Drilling fluid concentrates
US2588808A (en) * 1949-02-14 1952-03-11 Shell Dev Oil base fluid for drilling wells
US2599752A (en) * 1949-02-03 1952-06-10 Union Oil Co Drilling fluids
US2621022A (en) * 1945-02-09 1952-12-09 John D Bardill Method of drilling overburden, unconsolidated rock formation or placer ground with low-temperature freezing fluids
US2661334A (en) * 1952-02-11 1953-12-01 Standard Oil And Gas Company Water-in-oil emulsion drilling fluid
US2675353A (en) * 1950-10-20 1954-04-13 Shell Dev Oil base drilling fluid
US2747839A (en) * 1951-04-30 1956-05-29 Socony Mobil Oil Co Inc Method for correcting lost circulation of drilling fluids
US2764546A (en) * 1953-09-21 1956-09-25 Phillips Petroleum Co Oil-base drilling fluids and methods of drilling with same
US2944022A (en) * 1956-07-09 1960-07-05 Socony Mobil Oil Co Inc Marine diesel lubricant
US2944023A (en) * 1957-01-15 1960-07-05 Socony Mobil Oil Co Inc Anticorrosive marine diesel lubricant
US2946746A (en) * 1956-10-01 1960-07-26 Union Oil Co Oil-external emulsion drilling fluids
US2953525A (en) * 1956-02-29 1960-09-20 Shell Oil Co Oil base drilling fluid
US2965566A (en) * 1956-08-13 1960-12-20 Sespe Lab Oil base drilling and fracturing fluid
US2999063A (en) * 1957-08-13 1961-09-05 Raymond W Hoeppel Water-in-oil emulsion drilling and fracturing fluid
US3017349A (en) * 1954-01-08 1962-01-16 Union Oil Co Drilling fluids
US3017350A (en) * 1954-01-18 1962-01-16 Union Oil Co Emulsion-base drilling fluids
US3021277A (en) * 1957-12-23 1962-02-13 Raymond W Hoeppel Oil base drilling and fracturing fluid
US3041275A (en) * 1959-06-22 1962-06-26 Pan American Petroleum Corp High temperature emulsion drilling fluid
US3085976A (en) * 1959-06-08 1963-04-16 Continental Oil Co Oil base drilling mud additive
US3639233A (en) * 1969-03-18 1972-02-01 Dresser Ind Well drilling
US4108779A (en) * 1973-05-01 1978-08-22 Halliburton Company Oil well fluids and dispersants
US4442011A (en) * 1981-12-21 1984-04-10 Exxon Research And Engineering Co. Drilling mud viscosification agents based on sulfonated ionomers
US4447338A (en) * 1981-08-12 1984-05-08 Exxon Research And Engineering Co. Drilling mud viscosification agents based on sulfonated ionomers
US4502963A (en) * 1982-03-11 1985-03-05 Halliburton Company Use of certain materials as thinners in oil based drilling fluids
US4579669A (en) * 1981-08-12 1986-04-01 Exxon Research And Engineering Co. High temperature drilling fluids based on sulfonated thermoplastic polymers
US4959165A (en) * 1988-10-28 1990-09-25 Conoco Inc. Well completion and servicing fluid

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2621022A (en) * 1945-02-09 1952-12-09 John D Bardill Method of drilling overburden, unconsolidated rock formation or placer ground with low-temperature freezing fluids
US2509588A (en) * 1946-11-04 1950-05-30 Shell Dev Emulsion fluid for drilling wells
US2531662A (en) * 1947-01-18 1950-11-28 Stanolind Oil & Gas Co Drilling fluids
US2573959A (en) * 1948-02-24 1951-11-06 Union Oil Co Drilling fluids
US2542019A (en) * 1948-07-22 1951-02-20 Union Oil Co Drilling fluids
US2557647A (en) * 1948-07-27 1951-06-19 Shell Dev Emulsion fluid for drilling wells
US2599752A (en) * 1949-02-03 1952-06-10 Union Oil Co Drilling fluids
US2588808A (en) * 1949-02-14 1952-03-11 Shell Dev Oil base fluid for drilling wells
US2573960A (en) * 1949-04-22 1951-11-06 Union Oil Co Drilling fluid concentrates
US2675353A (en) * 1950-10-20 1954-04-13 Shell Dev Oil base drilling fluid
US2747839A (en) * 1951-04-30 1956-05-29 Socony Mobil Oil Co Inc Method for correcting lost circulation of drilling fluids
US2661334A (en) * 1952-02-11 1953-12-01 Standard Oil And Gas Company Water-in-oil emulsion drilling fluid
US2764546A (en) * 1953-09-21 1956-09-25 Phillips Petroleum Co Oil-base drilling fluids and methods of drilling with same
US3017349A (en) * 1954-01-08 1962-01-16 Union Oil Co Drilling fluids
US3017350A (en) * 1954-01-18 1962-01-16 Union Oil Co Emulsion-base drilling fluids
US2953525A (en) * 1956-02-29 1960-09-20 Shell Oil Co Oil base drilling fluid
US2944022A (en) * 1956-07-09 1960-07-05 Socony Mobil Oil Co Inc Marine diesel lubricant
US2965566A (en) * 1956-08-13 1960-12-20 Sespe Lab Oil base drilling and fracturing fluid
US2946746A (en) * 1956-10-01 1960-07-26 Union Oil Co Oil-external emulsion drilling fluids
US2944023A (en) * 1957-01-15 1960-07-05 Socony Mobil Oil Co Inc Anticorrosive marine diesel lubricant
US2999063A (en) * 1957-08-13 1961-09-05 Raymond W Hoeppel Water-in-oil emulsion drilling and fracturing fluid
US3021277A (en) * 1957-12-23 1962-02-13 Raymond W Hoeppel Oil base drilling and fracturing fluid
US3085976A (en) * 1959-06-08 1963-04-16 Continental Oil Co Oil base drilling mud additive
US3041275A (en) * 1959-06-22 1962-06-26 Pan American Petroleum Corp High temperature emulsion drilling fluid
US3639233A (en) * 1969-03-18 1972-02-01 Dresser Ind Well drilling
US4108779A (en) * 1973-05-01 1978-08-22 Halliburton Company Oil well fluids and dispersants
US4447338A (en) * 1981-08-12 1984-05-08 Exxon Research And Engineering Co. Drilling mud viscosification agents based on sulfonated ionomers
US4579669A (en) * 1981-08-12 1986-04-01 Exxon Research And Engineering Co. High temperature drilling fluids based on sulfonated thermoplastic polymers
US4442011A (en) * 1981-12-21 1984-04-10 Exxon Research And Engineering Co. Drilling mud viscosification agents based on sulfonated ionomers
US4502963A (en) * 1982-03-11 1985-03-05 Halliburton Company Use of certain materials as thinners in oil based drilling fluids
US4659486A (en) * 1982-11-03 1987-04-21 Halliburton Company Use of certain materials as thinners in oil-based drilling fluids
US4959165A (en) * 1988-10-28 1990-09-25 Conoco Inc. Well completion and servicing fluid

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