US526346A - Construction of oil-wells - Google Patents

Construction of oil-wells Download PDF

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Publication number
US526346A
US526346A US526346DA US526346A US 526346 A US526346 A US 526346A US 526346D A US526346D A US 526346DA US 526346 A US526346 A US 526346A
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Prior art keywords
casing
vein
hole
wells
oil
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SABIC Global Technologies BV
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Assigned to SABIC INNOVATIVE PLASTICS IP B.V. reassignment SABIC INNOVATIVE PLASTICS IP B.V. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GENERAL ELECTRIC COMPANY
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • 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
    • C09K8/50Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
    • C09K8/504Compositions based on water or polar solvents
    • C09K8/5045Compositions based on water or polar solvents containing inorganic compounds

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  • This invention relates to the construction of oil wells.
  • the object ot' the invention is to provide an improved method of stopping or shutting ott the flow of Water into oil wells during the process of drilling and after the well is completed, whereby a minimum amount of material is used andl expense incurred and the water effectively shut off from the interior of the well with a minimum amount of labor and time required.
  • Figure l is a view showing a well in longi- ⁇ tudinal section.
  • Fig. 2 is a detail perspective of the casing section employed.
  • th hole a is begun and drilled as usual, and is continued down until a vein of water, such as b, is reached. The hole is then continued down a short distance below the vein and the implements withdrawn.
  • a short section ot pipe or casing c (see Fig. 2) of sutlicient length to reach above and below the water vein. and of sufticient diameter to loosely t in the hole is then lowered or dropped into the ⁇ well, so that its lower end will rest on the bottom ot' the hole or wherever desired, and the casing will extend up above the vein.
  • a quantity of cement or tine shar sand, sediment or ⁇ other suitable material sucient tdll the hole to a plane above the top of the short section of casing is then poured or lowered into the well.
  • the water is pumped from the hole and the drilling is continued down again with a drill of a size to pass through the pipe or casing c.
  • the cement or sand will thus be removed f rom the interior of the casing section 'and the cement orsand will firmly and solidly pack around the exterior of the casing within the wall of the hole (see d) to fill the crevices so that the water cannot percolate through this solidly packed cement into the well.
  • the drilling is then continued down until another water vein is reached, when the same method as just described is followed.
  • Cement has a peculiar capacity of setting or packing so solidly that even water cannot percolate through it, and this peculiarity is taken advantage of in my method, although other suitable substances might be employed as tine sharp sand or sediment from drilling wells, dto.
  • a very advantageous way is to drill the hole as before mentioned and then till the hole up to a plane Aabove the vein with the cement or sand and be observed that the short pipe sections can be inserted before or after the filling material.
  • the filling material can be composed wholly IOO or in part of cement, z'. ve., thecement can be combined with any of the above mentioned ingredients or used separatelyTheqgreat advantages of this method are obvious, the

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crushing And Pulverization Processes (AREA)

Description

(No Model.)
O. PAY.-
CONSTRUCTION 0F OIL WELLS.
VNo. 526,346.
Patented Sept. 18, 1894.
www
lili-* UNITED STATES PATENT OFFICE.
OWEN FAY, OF OIL CITY, PENNSYLVANIA.
CONSTRUCTION lOF OIL-WELLS.
SPECIFICATION forming partof Letters Patent No.` 526,346, dated September 18, 1894.. Application iiled October 19, 1889. `Serial No. 827,495. (No model.)
To all whom it may concern.- 1
Be it known that LOWEN FAY, of Oil City, in the county of Venango and State of Pennsylvania, have invented certain new and useful Improvements in the Construction of Oil- Wells; and I do hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters ot reference marked thereon, which form part of this specification.
This invention relates to the construction of oil wells.
The object ot' the invention is to provide an improved method of stopping or shutting ott the flow of Water into oil wells during the process of drilling and after the well is completed, whereby a minimum amount of material is used andl expense incurred and the water effectively shut off from the interior of the well with a minimum amount of labor and time required. These objects are vaccomplished by and my invention consists in the method hereinafter set forth.
Referring to the accompanying drawings Figure lis a view showing a well in longi-` tudinal section. Fig. 2 is a detail perspective of the casing section employed.
In boring or drilling wells the plan sometimes heretofore followed is to drill down until a water vein is reached and then insert a casing or pipe section which will extend from the top of the well down to and a short distance below the vein. The water is then pumped out, and the drilling continued, so that the hole will be of the same size as the casing until another vein is reached when the same plan is followed, i. c., a casing inserted through the upper casing and the Water pumped out, and the drilling continued, the same plan being followed at each water vein and the hole decreasing in size after each new casing is inserted. This old method is very expensive and laborious, requiring a large amount of casing and an immense amount of work in handling the same. V
In carrying out the present invention th hole a, is begun and drilled as usual, and is continued down until a vein of water, such as b, is reached. The hole is then continued down a short distance below the vein and the implements withdrawn. A short section ot pipe or casing c (see Fig. 2) of sutlicient length to reach above and below the water vein. and of sufticient diameter to loosely t in the hole is then lowered or dropped into the`well, so that its lower end will rest on the bottom ot' the hole or wherever desired, and the casing will extend up above the vein. A quantity of cement or tine shar sand, sediment or `other suitable material sucient tdll the hole to a plane above the top of the short section of casing is then poured or lowered into the well. After the cement, sand or sediment has set or settled into a compact mass, the water is pumped from the hole and the drilling is continued down again with a drill of a size to pass through the pipe or casing c. The cement or sand will thus be removed f rom the interior of the casing section 'and the cement orsand will firmly and solidly pack around the exterior of the casing within the wall of the hole (see d) to fill the crevices so that the water cannot percolate through this solidly packed cement into the well. The drilling is then continued down until another water vein is reached, when the same method as just described is followed.
Cement has a peculiar capacity of setting or packing so solidly that even water cannot percolate through it, and this peculiarity is taken advantage of in my method, although other suitable substances might be employed as tine sharp sand or sediment from drilling wells, dto.
Instead ot' drilling the hole to a plane below the water vein and inserting the pipe section and then filling in to a level above the vein with cement or sand, a very advantageous way is to drill the hole as before mentioned and then till the hole up to a plane Aabove the vein with the cement or sand and be observed that the short pipe sections can be inserted before or after the filling material. The filling material can be composed wholly IOO or in part of cement, z'. ve., thecement can be combined with any of the above mentioned ingredients or used separatelyTheqgreat advantages of this method are obvious, the
expense for casing is reduced to a minimum and there is no heavy lifting or handling ot'v ing ofa fine granular packing material, such assand, at and above and'below the plane of the vein and around a short casing extending above and below the vein of less diameter than the hole, and then continuing the hole zo down through the packing material in the casi-ng after'said material has set, substantially as described.
Inrtestimony vthat Iclaim the foregoing as my ownI affix my signature in presence of two 25 witnesses.
OWEN FAY. Witnesses:
ACHAs. "WEAVER, P. STUBLER.
US526346D Construction of oil-wells Expired - Lifetime US526346A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2447217A (en) * 1946-10-14 1948-08-17 Richfield Oil Corp Well cementing method
US2626778A (en) * 1948-05-15 1953-01-27 John R Lockett Method and means for excluding water penetration into well bores
US3283815A (en) * 1963-03-01 1966-11-08 Exxon Production Research Co Well completions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2447217A (en) * 1946-10-14 1948-08-17 Richfield Oil Corp Well cementing method
US2626778A (en) * 1948-05-15 1953-01-27 John R Lockett Method and means for excluding water penetration into well bores
US3283815A (en) * 1963-03-01 1966-11-08 Exxon Production Research Co Well completions

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