US1639734A - Gas anchor for oil wells - Google Patents

Gas anchor for oil wells Download PDF

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Publication number
US1639734A
US1639734A US154183A US15418326A US1639734A US 1639734 A US1639734 A US 1639734A US 154183 A US154183 A US 154183A US 15418326 A US15418326 A US 15418326A US 1639734 A US1639734 A US 1639734A
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gas
oil
gas anchor
oil wells
pipe
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US154183A
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Floyd P Jones
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/34Arrangements for separating materials produced by the well
    • E21B43/38Arrangements for separating materials produced by the well in the well

Definitions

  • This invention relates to anchors 'for oil wells, and pertains to the provision ot an etective and simple device adapted to be used in conjunction with the pump bar
  • Figure 1 represents in diagrama vertical v section through an oil well showing the application of the device.
  • Figure 2 is a transverse section through the same taken on the line 2-*2 ot Fiwure 'l viewed in the direction of the arrows.
  • Figure 8 1 s an enlarged side view of one of the gas anchors, parts being broken away and shown in sections to more fully bring out certain essential elements.
  • Figure 4 is a transverse section through the same, takeny on the line 4-4 of Figure 3, viewed in the direction of the arrows.
  • 5 represents the oil well or bore
  • 6 the well casing
  • 7 the pump barrel in which the usual style of reciprocating pump (not shown) may be installed.
  • the pump barrel is provided with a bottom 8 which has threaded to its periphery a pump barrel extension or casing 9 ot' smaller diameter than the casing 6, which projects downwardly into the well and is preferably immersed into the oil bed 10, and is provided at its lower end with a closure plug 11.
  • Y a pump barrel extension or casing 9 ot' smaller diameter than the casing 6, which projects downwardly into the well and is preferably immersed into the oil bed 10, and is provided at its lower end with a closure plug 11.
  • Both ends of the barrel extension 9 are provided with a plurality of oil strainer pertorations 13 which open communication between the lower interior of the extension 9 and the annular chamber 14 formed between the casing -and the extension, as shown.
  • the extension 9 is provided with a spider 15 adapted to support the lower portion of an oil conduit pipe 16 the upper end of said pipe passing through the bottom 8 of the pump barrel and communicating therewith.
  • a plurality of gas anchors 17 Interposed in the pipe 16 and disposed between its ends are a plurality of gas anchors 17 any desired number of which may be employed, which are designed to trap the piston gas in the oil and effect the separation of the gas from the oil during the pumping operation.
  • a gas anchor 17 is constructed toy create an indirect passager-tor, ⁇ the oil in thepipe 16, and in detail comprises a U bend 18 which joins with an inverted U bend 19 to form a dome if() which is located in a plane above the bend 18.
  • dome 20 Atthe top of dome 20 is formed a valve seat 21 for the reception of a ball valve 22,
  • said ball valve being held in operative relation with its sea-t by means of the cage 23.
  • the oil is sucked fromfthe well through the pipe 16 and being thus set in motion and agi- .tated the gas is caused to collect into the domes 20 of the gas anchors and between theI impulses of the pump, escapes through the valves 21, passes into the extension 9 and from thence through the perforations 13 into the annular chamber 14 and from thence upwardly to the top ot the well, where it may be conserved in any suitable manner.
  • an oil suction pipe having intermittent suction impulses passing therethrough; and means interposed in said suction pipe for trapping the gas in the oil Htl going through saidvsuction pipe during a suction impulse and permitting said gas to escape between suction impulses.
  • I 3 In an oil well, a casing; a pump han rel; a suction pipe connected to said pump barrel and extending into said casing; and a plurality of gas anchors interposed in said suction pipe, each of said gas anchors beingl provided with a gas-trap and a valve associated with said gas trap.
  • a casing In an oil well, a casing; a pump hairel; an oil conduit pipe communicating with said pump barrel; a second easing oir' smaller diameter than the iirst mentioned casing surrounding said conduit pipe having perforations in its wall; and a gas anchor provided with a gas trap having a valve associated therewith, interposed in said oil conduit pipe.
  • a gas anchor comprising a conduit having a gas trap formed therein and a valve Iassociated with said gas trap.
  • a gas anchor comprising a conduit having a U shaped hendA formed therein joining with an inverted U shaped bendto form a gas collecting dome; and a valve mounted in said dome.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Compressor (AREA)

Description

M `INVENTOR. I'Zaydl. J'ane F. P. JONES -GAS ANCHOR FOR OIL WELLS ZIV.
Aug. 23, 1927.
A TTORNEY.
lll
Patented Aug. 23, 1927.
UNITED STATES PATENT orifice FLOYD IP. JONES, OF TORRANCE, CALIFORNIA.
Gas ANCHOR FOR oIL WELLS.
Application mea December 11, 192e. serial N. 154,183.
This invention relates to anchors 'for oil wells, and pertains to the provision ot an etective and simple device adapted to be used in conjunction with the pump bar Figure 1 represents in diagrama vertical v section through an oil well showing the application of the device.
Figure 2 is a transverse section through the same taken on the line 2-*2 ot Fiwure 'l viewed in the direction of the arrows.
Figure 8 1s an enlarged side view of one of the gas anchors, parts being broken away and shown in sections to more fully bring out certain essential elements.
Figure 4 is a transverse section through the same, takeny on the line 4-4 of Figure 3, viewed in the direction of the arrows.
In carrying out the invention, 5 represents the oil well or bore, 6 the well casing, 7 the pump barrel in which the usual style of reciprocating pump (not shown) may be installed.
The pump barrel is provided with a bottom 8 which has threaded to its periphery a pump barrel extension or casing 9 ot' smaller diameter than the casing 6, which projects downwardly into the well and is preferably immersed into the oil bed 10, and is provided at its lower end with a closure plug 11. Y
Both ends of the barrel extension 9 are provided with a plurality of oil strainer pertorations 13 which open communication between the lower interior of the extension 9 and the annular chamber 14 formed between the casing -and the extension, as shown.
The extension 9 is provided with a spider 15 adapted to support the lower portion of an oil conduit pipe 16 the upper end of said pipe passing through the bottom 8 of the pump barrel and communicating therewith.
Interposed in the pipe 16 and disposed between its ends are a plurality of gas anchors 17 any desired number of which may be employed, which are designed to trap the piston gas in the oil and effect the separation of the gas from the oil during the pumping operation. v i
A gas anchor 17 is constructed toy create an indirect passager-tor,` the oil in thepipe 16, and in detail comprises a U bend 18 which joins with an inverted U bend 19 to form a dome if() which is located in a plane above the bend 18.
Atthe top of dome 20 is formed a valve seat 21 for the reception of a ball valve 22,
said ball valve being held in operative relation with its sea-t by means of the cage 23.
A certain amount of gas naturally escapes from the oil and passes upwardly through the annular chamber 14, agreat volume ot gas however is mixed with the oil and is extracted therefrom by the gasV anchors in the following manner.
In Figures 3 and 4 of the drawing the gas anchor more nearly like it would be constructed in practice,' the U bends being hunched together' in a compact manner so as to permit of its insertion more readily into an annular pipe and at the same time to afford a maximum capacity. Y
When the pump (not shown) is started,
the oil is sucked fromfthe well through the pipe 16 and being thus set in motion and agi- .tated the gas is caused to collect into the domes 20 of the gas anchors and between theI impulses of the pump, escapes through the valves 21, passes into the extension 9 and from thence through the perforations 13 into the annular chamber 14 and from thence upwardly to the top ot the well, where it may be conserved in any suitable manner.
By the employment of a plurality of the gas anchors, it will be obvious that by the time the oil reaches the top of the well that it will be substantially free from thus obviating the necessity of later treating the oil to obtain this result.
Having thus described my invention what I claim is:
1. In an oil well, an oil suction pipe; and a gas anchor interposed in said suction pipe, said gas anchor having a gas collecting dome formed thereon and a valve located in said dome.
2. In an oil well, an oil suction pipe having intermittent suction impulses passing therethrough; and means interposed in said suction pipe for trapping the gas in the oil Htl going through saidvsuction pipe during a suction impulse and permitting said gas to escape between suction impulses.l
I 3. In an oil well, a casing; a pump han rel; a suction pipe connected to said pump barrel and extending into said casing; and a plurality of gas anchors interposed in said suction pipe, each of said gas anchors beingl provided with a gas-trap and a valve associated with said gas trap.
- 4. In an oil well, a casing; a pump hairel; an oil conduit pipe communicating with said pump barrel; a second easing oir' smaller diameter than the iirst mentioned casing surrounding said conduit pipe having perforations in its wall; and a gas anchor provided with a gas trap having a valve associated therewith, interposed in said oil conduit pipe.
5. A gas anchor, comprising a conduit having a gas trap formed therein and a valve Iassociated with said gas trap.
6., A gas anchor comprising a conduit having a U shaped hendA formed therein joining with an inverted U shaped bendto form a gas collecting dome; and a valve mounted in said dome. y
*In testimony whereof I 'hereunto aiiX my signa-ture.
FLoYD i). JONES.
US154183A 1926-12-11 1926-12-11 Gas anchor for oil wells Expired - Lifetime US1639734A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833222A (en) * 1954-06-11 1958-05-06 Alfred E Hansen Water and oil degasifying well
US2843053A (en) * 1956-03-26 1958-07-15 Joseph T Carle Gas anchor
US4131161A (en) * 1977-08-25 1978-12-26 Phillips Petroleum Company Recovery of dry steam from geothermal brine
US4901413A (en) * 1988-11-22 1990-02-20 Shell Western E & P Inc. Method and apparatus for establishing multi-stage gas separation upstream of a submersible pump
US4913630A (en) * 1988-11-22 1990-04-03 Shell Western E&P Inc. Method and apparatus for high-efficiency gas separation upstream of a submersible pump
US10378532B2 (en) 2015-06-17 2019-08-13 Baker Huges, A Ge Company, Llc Positive displacement plunger pump with gas escape valve

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833222A (en) * 1954-06-11 1958-05-06 Alfred E Hansen Water and oil degasifying well
US2843053A (en) * 1956-03-26 1958-07-15 Joseph T Carle Gas anchor
US4131161A (en) * 1977-08-25 1978-12-26 Phillips Petroleum Company Recovery of dry steam from geothermal brine
US4901413A (en) * 1988-11-22 1990-02-20 Shell Western E & P Inc. Method and apparatus for establishing multi-stage gas separation upstream of a submersible pump
US4913630A (en) * 1988-11-22 1990-04-03 Shell Western E&P Inc. Method and apparatus for high-efficiency gas separation upstream of a submersible pump
US10378532B2 (en) 2015-06-17 2019-08-13 Baker Huges, A Ge Company, Llc Positive displacement plunger pump with gas escape valve

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