US2710655A - Rotatable port control sleeve - Google Patents

Rotatable port control sleeve Download PDF

Info

Publication number
US2710655A
US2710655A US299859A US29985952A US2710655A US 2710655 A US2710655 A US 2710655A US 299859 A US299859 A US 299859A US 29985952 A US29985952 A US 29985952A US 2710655 A US2710655 A US 2710655A
Authority
US
United States
Prior art keywords
sleeve
packing
port
pipe
rotatable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US299859A
Inventor
Collett Charles Haskell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
J B NELSON
Original Assignee
J B NELSON
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by J B NELSON filed Critical J B NELSON
Priority to US299859A priority Critical patent/US2710655A/en
Application granted granted Critical
Publication of US2710655A publication Critical patent/US2710655A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools

Definitions

  • This invention relates to a means of controlling a port (opening and closing said port) ⁇ through which certain materials are moved in an oil well.
  • This material may be gravel forV gravel packing purposes, the gravel being entrained in a stream of mud.
  • the materialsv may also be ⁇ certain chemicals when chemically treating a well, or fluid-under pressure for cleaning a well, etc.
  • An object of my invention is to provide a novel rotatably mounted port control sleeve which can be rotated within a tubular body to either open or close a port to permit certain materials to be moved through this port, as-may be necessary.
  • a featureof my invention is to provide a novel packing means on the rotatable sleeve which will effectively seal off the port in the tubular body, when the port in the rotatable sleeve is out of alignment with this port in the tubular body.
  • Another feature of my invention is to provide a square packing in the rotatable sleeve, this square packing surrounding the outlet port in the tubular body in one position of the rotatable sleeve. This square packing effectively sealing off the outlet port in the tubular body and preventing leakage at this point.
  • Figure 1 is a longitudinal sectional View of a gravel packing tool embodying my invention and showing the rotatable sleeve in open position.
  • Figure 2 is a fragmentary longitudinal sectional view of the body portion or" a gravel packing tool and showing the rotatable sleeve in closed position.
  • Figure 3 is a side elevation of the rotatable sleeve.
  • Figure 4 is a side elevation of the rotatable sleeve taken at right angles to Figure 3.
  • Figure 5 is a fragmentary side elevation of the operating and packing member.
  • Figure 6 is a sectional view taken on line 6--6 of Figure 5.
  • Figure 7 is a sectional view taken on line 7 7 of Figure 1.
  • My rotatable port control sleeve may be used in connection with a tool as described in application, Serial No. 216,192, filed March 17, 1951, for Hydraulically Operated Port Control Device, now abandoned, or in application, Serial No. 201,573, tiled December 19, 1950, for Hydraulic Slip Setting Means for Oil Well Tools.
  • the gravel In the gravel packing of oil wells the gravel is entrained with a muddy fluid which is pumped downwardly in the well through the drill pipe, and then passes outwardly through an open port in the gravel packingtool at the bottom of the well, and the gravel is then deposited around the liner while the fluid then returns upwardly to the ground surface.
  • the gravel laden fluid passes outwardly from an open port in a movable piston within the tubular body of the oil well tool, thence through the open port in the body of the tool and then drops to its resting place at the bottom of the well.
  • the lower end of the drill pipe. is a square section 1 whichis positioned within the tubular body 2 of the tool.
  • a collar 3 is provided on the bottom of the square section 1 and this collary threads onto pipe 4 which in turn is attached to the top packing cup 5.
  • This packing cup is of the usual rubber type and is expansible so as, to pack off against the wall of 'the tubular housing 2.
  • a second packing cup 6,. similar in construction to the cup 5, is spaced below the. cup 5 and also engages and packs off against the wall of the tubular housing 2.
  • a tail pipe 7 projects downwardly. from the lower cup 6 a suitable distance, and the returning fluid passes upwardly through the tail pipe and thence through suitable portsv to bypass the pipe 1, drill pipe 1 and coupling 3, since the return fluid must pass upwardly around the outside. of the. drill pipe, all of'which is usual and well known in the art.
  • the packing cups 5 and 6 are connected by a pipe-likesection S, which is provided with an upper bore 9 extending to a laterally extendinghole 10.
  • the material which. is to be deposited passes downwardly through the drill pipe, thence into the pipe 4, then through the bore 9 and out through the hole 1t).
  • the cups 5 and 6 will conxine and direct the material. to the particular area in which thev cups Sand 6 areV positioned.
  • a sleeve 11 is rotatably mounted within the.- body 2 of the tool and is confined between an upper shoulder 12 and a lower shoulder 13'.
  • the sleeve 11 is provided with one or more ports 1d which can be aligned with outlet ports 15 in the body 2 of the tool.
  • I To rotate the sleeve 11 so that the ports 14 will align, or misalign with the ports 15, I provide a longitudinal spline or groove 16 on the inside of the sleeve which are engaged by ribs or flanges 17 on the pipe-like section 8, and thus rotating the sleeve 11 when the drill pipe is rotated. To govern the amount of the rotation of the sleeve, I provide an arcuate notch 18 which is entered by a lug 19 on the body 2, thus insuring that the sleeve 11 will either open or close the ports 15 in the tubular body.
  • the tool body 2 In operation the tool body 2, together with the packing cups 5 and 6 therein, is lowered into the oil well on the drill pipe.
  • the weight of the outer tubular body 2 will hold that body in proper position so that the packing cups 5 and 6 are above and below respectively, the outlet ports 15 in the body 2.
  • the blades, or ribs 17, are fitted in the grooves 16 and, consequently, the sleeve 11 can be rotated clockwise, or counter-clockwise, by appropriate rotation of the drill pipe.
  • the ports 14 and 15 are misaligned, and the packing 20 will, therefore, surround the outlet port 15, sealing the same.
  • the sleeve 11 is rotated until the port 14 aligns with the port 15, this being determined by the stop lug 19.
  • the sleeve 11 3 can again be rotated to a position to close and seal the port 15.
  • a rotatable control sleeve including an elongated tubular body, a pipe adapted to extend into said body and movable longitudinally therein, said body having an outlet port extending through the wall thereof, a sleeve rotatably mounted on the inside of said body, means limiting longitudinal movement of the sleeve in the body, said sleeve having a port extending through the wall thereof and alignable with the rst named port in one position of the sleeve, spaced packing cups mounted on said pipe and positioned within the body, longitudinally extending integral ribs on the outside of the pipe and arranged between the packing cups, said ribs being engageable with the sleeve to rotate the same, said sleeve having grooves on the inside thereof and extending longitudinally to receive said ribs, a packing on the outside of said sleeve, said packing completely surrounding a blank area of the sleeve, said packing being in the same horizontal plane as said port, said blank area
  • a rotatable control sleeve including an elongated tubular body, a pipe adapted to extend into said body and movable longitudinally therein, said body having an outlet port extending through the wall thereof, a sleeve rotatably mounted on the inside of said body, means limiting longitudinal movement of the sleeve in the body, said sleeve having a port extending through the wall thereof and alignable with the iirst named port in one position of the sleeve, spaced packing cups mounted on said pipe and positioned within the body, longitudinally extending integral ribs on the outside of the pipe and arranged.
  • said ribs being er1- gageable with the sleeve to rotate the same, said sleeve having grooves on the inside thereof and extending longitudinally to receive said ribs, a packing on the outside of said sleeve, said packing completely surrounding a blank area of the sleeve, said packing being in the same horizontal plane as said port, said blank area being movable over the rst named port in one position of the sleeve, said packing surrounding the rst named port in the last named position of the sleeve, said packing being rectangular and said sleeve having a rectangular groove on the outside thereof in which the rectangular packing is mounted.

Landscapes

  • 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)
  • Earth Drilling (AREA)

Description

June 14, 1955 c. H. COLLET-r ROTATABLE PORT CONTROL SLEEVE Filed July 19, 1952 lll ,to x M7 f if M il d Z /M l f M w 2,710,655 Patented June 14, 1955 ROTATA-BLE PRTCNTROL SLEEVE Charles Haskeilfoliett, Burbank, alif., assigner to l'. B.
Nelson, LongBeaclr, Calif. l
Application July 19,` 1952, Serial No. 299,859
2 Claims... (Cl. 16e- 115)v This invention relates to a means of controlling a port (opening and closing said port)` through which certain materials are moved in an oil well. This material may be gravel forV gravel packing purposes, the gravel being entrained in a stream of mud. The materialsv may also be` certain chemicals when chemically treating a well, or fluid-under pressure for cleaning a well, etc.
An object of my invention is to provide a novel rotatably mounted port control sleeve which can be rotated within a tubular body to either open or close a port to permit certain materials to be moved through this port, as-may be necessary.
A featureof my invention is to provide a novel packing means on the rotatable sleeve which will effectively seal off the port in the tubular body, when the port in the rotatable sleeve is out of alignment with this port in the tubular body.
Another feature of my invention is to provide a square packing in the rotatable sleeve, this square packing surrounding the outlet port in the tubular body in one position of the rotatable sleeve. This square packing effectively sealing off the outlet port in the tubular body and preventing leakage at this point.
Other objects, advantages and features of invention may appear from the acompanying drawing, the subjoined detailed description and the appended claims.
In the drawing:
Figure 1 is a longitudinal sectional View of a gravel packing tool embodying my invention and showing the rotatable sleeve in open position.
Figure 2 is a fragmentary longitudinal sectional view of the body portion or" a gravel packing tool and showing the rotatable sleeve in closed position.
Figure 3 is a side elevation of the rotatable sleeve.
Figure 4 is a side elevation of the rotatable sleeve taken at right angles to Figure 3.
Figure 5 is a fragmentary side elevation of the operating and packing member.
Figure 6 is a sectional view taken on line 6--6 of Figure 5.
Figure 7 is a sectional view taken on line 7 7 of Figure 1.
My rotatable port control sleeve may be used in connection with a tool as described in application, Serial No. 216,192, filed March 17, 1951, for Hydraulically Operated Port Control Device, now abandoned, or in application, Serial No. 201,573, tiled December 19, 1950, for Hydraulic Slip Setting Means for Oil Well Tools.
In the gravel packing of oil wells the gravel is entrained with a muddy fluid which is pumped downwardly in the well through the drill pipe, and then passes outwardly through an open port in the gravel packingtool at the bottom of the well, and the gravel is then deposited around the liner while the fluid then returns upwardly to the ground surface. The gravel laden fluid passes outwardly from an open port in a movable piston within the tubular body of the oil well tool, thence through the open port in the body of the tool and then drops to its resting place at the bottom of the well.
The lower end of the drill pipe. is a square section 1 whichis positioned within the tubular body 2 of the tool. A collar 3 is provided on the bottom of the square section 1 and this collary threads onto pipe 4 which in turn is attached to the top packing cup 5. This packing cup is of the usual rubber type and is expansible so as, to pack off against the wall of 'the tubular housing 2. A second packing cup 6,. similar in construction to the cup 5, is spaced below the. cup 5 and also engages and packs off against the wall of the tubular housing 2. A tail pipe 7 projects downwardly. from the lower cup 6 a suitable distance, and the returning fluid passes upwardly through the tail pipe and thence through suitable portsv to bypass the pipe 1, drill pipe 1 and coupling 3, since the return fluid must pass upwardly around the outside. of the. drill pipe, all of'which is usual and well known in the art.
The packing cups 5 and 6 are connected by a pipe-likesection S, which is provided with an upper bore 9 extending to a laterally extendinghole 10. The material which. is to be deposited passes downwardly through the drill pipe, thence into the pipe 4, then through the bore 9 and out through the hole 1t). The cups 5 and 6 will conxine and direct the material. to the particular area in which thev cups Sand 6 areV positioned.
A sleeve 11 is rotatably mounted within the.- body 2 of the tool and is confined between an upper shoulder 12 and a lower shoulder 13'. The sleeve 11 is provided with one or more ports 1d which can be aligned with outlet ports 15 in the body 2 of the tool. When the ports 14 and 15 are in alignment, as shown in Figure l, fluid flowing out of the hole 10 will pass outwardly and, for example, the gravel laden fluid will drop to the bottom of the well and will be deposited.
To rotate the sleeve 11 so that the ports 14 will align, or misalign with the ports 15, I provide a longitudinal spline or groove 16 on the inside of the sleeve which are engaged by ribs or flanges 17 on the pipe-like section 8, and thus rotating the sleeve 11 when the drill pipe is rotated. To govern the amount of the rotation of the sleeve, I provide an arcuate notch 18 which is entered by a lug 19 on the body 2, thus insuring that the sleeve 11 will either open or close the ports 15 in the tubular body. To seal oft the ports 15 when the ports 14 are misaligned therewith, I provide a square packing 20, this square packing fitting into a square groove 21 in the sleeve 11, and the square packing surrounds the port 1S in one position of the sleeve. Since two sides of the square packing 20 will be vertical, I find that the packing does not tend to press into the port 15 as the packing slides over the same during rotation of the sleeve 11. As a result, the square packing is not cut by the sharp edges of the port 15. Also the square packing 2f) will effectively seal off the port 15 from any possible fluid flow, either vertical or horizontal.
In operation the tool body 2, together with the packing cups 5 and 6 therein, is lowered into the oil well on the drill pipe. The weight of the outer tubular body 2 will hold that body in proper position so that the packing cups 5 and 6 are above and below respectively, the outlet ports 15 in the body 2. The blades, or ribs 17, are fitted in the grooves 16 and, consequently, the sleeve 11 can be rotated clockwise, or counter-clockwise, by appropriate rotation of the drill pipe.
When the tool is being run into the well, and also for testing purposes of the well, the ports 14 and 15 are misaligned, and the packing 20 will, therefore, surround the outlet port 15, sealing the same. When it is desired to flow material through the port 15, the sleeve 11 is rotated until the port 14 aligns with the port 15, this being determined by the stop lug 19. When a proper amount of material has been flowed into the well, the sleeve 11 3 can again be rotated to a position to close and seal the port 15.
Having described my invention, I claim:
l. A rotatable control sleeve including an elongated tubular body, a pipe adapted to extend into said body and movable longitudinally therein, said body having an outlet port extending through the wall thereof, a sleeve rotatably mounted on the inside of said body, means limiting longitudinal movement of the sleeve in the body, said sleeve having a port extending through the wall thereof and alignable with the rst named port in one position of the sleeve, spaced packing cups mounted on said pipe and positioned within the body, longitudinally extending integral ribs on the outside of the pipe and arranged between the packing cups, said ribs being engageable with the sleeve to rotate the same, said sleeve having grooves on the inside thereof and extending longitudinally to receive said ribs, a packing on the outside of said sleeve, said packing completely surrounding a blank area of the sleeve, said packing being in the same horizontal plane as said port, said blank area being movable over the rst named port in one position of the sleeve, said packing surrounding the rst named port in the last named position of the sleeve.
2. A rotatable control sleeve including an elongated tubular body, a pipe adapted to extend into said body and movable longitudinally therein, said body having an outlet port extending through the wall thereof, a sleeve rotatably mounted on the inside of said body, means limiting longitudinal movement of the sleeve in the body, said sleeve having a port extending through the wall thereof and alignable with the iirst named port in one position of the sleeve, spaced packing cups mounted on said pipe and positioned within the body, longitudinally extending integral ribs on the outside of the pipe and arranged. between the packing cups, said ribs being er1- gageable with the sleeve to rotate the same, said sleeve having grooves on the inside thereof and extending longitudinally to receive said ribs, a packing on the outside of said sleeve, said packing completely surrounding a blank area of the sleeve, said packing being in the same horizontal plane as said port, said blank area being movable over the rst named port in one position of the sleeve, said packing surrounding the rst named port in the last named position of the sleeve, said packing being rectangular and said sleeve having a rectangular groove on the outside thereof in which the rectangular packing is mounted.
References Cited in the le of this patent UNITED STATES PATENTS 2,125,643 McCune Aug. 2, 1938 2,168,735 Gilstrap Aug. 8, 1939 2,291,371 Buchanan et al. Iuly 28, 1942 2,380,022 Burt July 10, 1945 2,384,675 Hammer Sept. 11, 1945 2,431,751 Hayward Dec. 2, 1947 2,493,966 Hartley Jan. 10, 1950 2,545,834 Westbrook Mar. 20, 1951 2,675,874 Springer Apr. 20, 1954
US299859A 1952-07-19 1952-07-19 Rotatable port control sleeve Expired - Lifetime US2710655A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US299859A US2710655A (en) 1952-07-19 1952-07-19 Rotatable port control sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US299859A US2710655A (en) 1952-07-19 1952-07-19 Rotatable port control sleeve

Publications (1)

Publication Number Publication Date
US2710655A true US2710655A (en) 1955-06-14

Family

ID=23156608

Family Applications (1)

Application Number Title Priority Date Filing Date
US299859A Expired - Lifetime US2710655A (en) 1952-07-19 1952-07-19 Rotatable port control sleeve

Country Status (1)

Country Link
US (1) US2710655A (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922479A (en) * 1956-05-28 1960-01-26 Kinley Myron Macy Apparatus for controlling fluid circulation
US3152646A (en) * 1962-03-19 1964-10-13 Burns Erwin Port collar
US3840072A (en) * 1972-07-24 1974-10-08 Chevron Res Method and apparatus for use in well operations
US3894771A (en) * 1973-12-07 1975-07-15 Necham Inc Hydraulic particle separator
US4909326A (en) * 1989-07-05 1990-03-20 Owen Thomas R Tubing unloader
US5823263A (en) * 1996-04-26 1998-10-20 Camco International Inc. Method and apparatus for remote control of multilateral wells
US6148843A (en) * 1996-08-15 2000-11-21 Camco International Inc. Variable orifice gas lift valve for high flow rates with detachable power source and method of using
US6237683B1 (en) 1996-04-26 2001-05-29 Camco International Inc. Wellbore flow control device
EP0845578A3 (en) * 1996-11-27 2002-01-23 Halliburton Energy Services, Inc. Sliding side door assembly for use in a wellbore
WO2006090168A1 (en) * 2005-02-26 2006-08-31 Red Spider Technology Limited Valve
US20100071896A1 (en) * 2006-10-24 2010-03-25 Michael John Christie Downhole apparatus and method
EP2466058A1 (en) * 2010-12-17 2012-06-20 Welltec A/S An inflow assembly
US9316088B2 (en) 2011-10-11 2016-04-19 Halliburton Manufacturing & Services Limited Downhole contingency apparatus
US9376889B2 (en) 2011-10-11 2016-06-28 Halliburton Manufacturing & Services Limited Downhole valve assembly
US9376891B2 (en) 2011-10-11 2016-06-28 Halliburton Manufacturing & Services Limited Valve actuating apparatus
US9482074B2 (en) 2011-10-11 2016-11-01 Halliburton Manufacturing & Services Limited Valve actuating apparatus

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2125643A (en) * 1937-06-26 1938-08-02 Fletcher Oil Well Desander Cor Bailer bottom
US2168735A (en) * 1935-08-27 1939-08-08 Erd V Crowell Method of cementing wells
US2291371A (en) * 1940-08-03 1942-07-28 Security Engineering Co Inc Method and apparatus for cementing liners in wells
US2380022A (en) * 1941-06-23 1945-07-10 Baker Oil Tools Inc Flow control apparatus
US2384675A (en) * 1942-09-28 1945-09-11 Security Engineering Co Inc Apparatus for multiple stage cementing
US2431751A (en) * 1941-06-09 1947-12-02 Landes H Hayward Apparatus for cementing wells
US2493966A (en) * 1944-04-12 1950-01-10 Parker Appliance Co Valve assembly
US2545834A (en) * 1947-02-15 1951-03-20 James V Westbrook Valve
US2675874A (en) * 1950-05-15 1954-04-20 Springer Albert Lamont Well apparatus

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2168735A (en) * 1935-08-27 1939-08-08 Erd V Crowell Method of cementing wells
US2125643A (en) * 1937-06-26 1938-08-02 Fletcher Oil Well Desander Cor Bailer bottom
US2291371A (en) * 1940-08-03 1942-07-28 Security Engineering Co Inc Method and apparatus for cementing liners in wells
US2431751A (en) * 1941-06-09 1947-12-02 Landes H Hayward Apparatus for cementing wells
US2380022A (en) * 1941-06-23 1945-07-10 Baker Oil Tools Inc Flow control apparatus
US2384675A (en) * 1942-09-28 1945-09-11 Security Engineering Co Inc Apparatus for multiple stage cementing
US2493966A (en) * 1944-04-12 1950-01-10 Parker Appliance Co Valve assembly
US2545834A (en) * 1947-02-15 1951-03-20 James V Westbrook Valve
US2675874A (en) * 1950-05-15 1954-04-20 Springer Albert Lamont Well apparatus

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922479A (en) * 1956-05-28 1960-01-26 Kinley Myron Macy Apparatus for controlling fluid circulation
US3152646A (en) * 1962-03-19 1964-10-13 Burns Erwin Port collar
US3840072A (en) * 1972-07-24 1974-10-08 Chevron Res Method and apparatus for use in well operations
US3894771A (en) * 1973-12-07 1975-07-15 Necham Inc Hydraulic particle separator
US4909326A (en) * 1989-07-05 1990-03-20 Owen Thomas R Tubing unloader
US5960874A (en) * 1996-04-26 1999-10-05 Camco International Inc. Apparatus for remote control of multilateral wells
US5918669A (en) * 1996-04-26 1999-07-06 Camco International, Inc. Method and apparatus for remote control of multilateral wells
US5927401A (en) * 1996-04-26 1999-07-27 Camco International Inc. Method and apparatus for remote control of multilateral wells
US6237683B1 (en) 1996-04-26 2001-05-29 Camco International Inc. Wellbore flow control device
US6308783B2 (en) 1996-04-26 2001-10-30 Schlumberger Technology Corporation Wellbore flow control device
US5823263A (en) * 1996-04-26 1998-10-20 Camco International Inc. Method and apparatus for remote control of multilateral wells
US6148843A (en) * 1996-08-15 2000-11-21 Camco International Inc. Variable orifice gas lift valve for high flow rates with detachable power source and method of using
EP0845578A3 (en) * 1996-11-27 2002-01-23 Halliburton Energy Services, Inc. Sliding side door assembly for use in a wellbore
US8316953B2 (en) 2005-02-26 2012-11-27 Red Spider Technology Limited Valve
WO2006090168A1 (en) * 2005-02-26 2006-08-31 Red Spider Technology Limited Valve
GB2438129A (en) * 2005-02-26 2007-11-14 Red Spider Technology Ltd Valve
US20090071658A1 (en) * 2005-02-26 2009-03-19 Red Spider Technology Limited Valve
GB2438129B (en) * 2005-02-26 2010-12-29 Red Spider Technology Ltd Well tubing valve
US20100071896A1 (en) * 2006-10-24 2010-03-25 Michael John Christie Downhole apparatus and method
US8522886B2 (en) 2006-10-24 2013-09-03 Red Spider Technology Limited Downhole apparatus having a rotating valve member
US9045962B2 (en) 2006-10-24 2015-06-02 Halliburton Manufacturing & Services Limited Downhole apparatus having a rotating valve member
RU2580122C2 (en) * 2010-12-17 2016-04-10 Веллтек А/С Intake device
CN103261570A (en) * 2010-12-17 2013-08-21 韦尔泰克有限公司 An inflow assembly
EP2733304A1 (en) * 2010-12-17 2014-05-21 Welltec A/S An inflow assembly
EP2466058A1 (en) * 2010-12-17 2012-06-20 Welltec A/S An inflow assembly
WO2012080485A1 (en) * 2010-12-17 2012-06-21 Welltec A/S An inflow assembly
US9322244B2 (en) 2010-12-17 2016-04-26 Welltec A/S Inflow assembly
CN103261570B (en) * 2010-12-17 2016-06-08 韦尔泰克有限公司 Flow into assembly
US9316088B2 (en) 2011-10-11 2016-04-19 Halliburton Manufacturing & Services Limited Downhole contingency apparatus
US9376889B2 (en) 2011-10-11 2016-06-28 Halliburton Manufacturing & Services Limited Downhole valve assembly
US9376891B2 (en) 2011-10-11 2016-06-28 Halliburton Manufacturing & Services Limited Valve actuating apparatus
US9482074B2 (en) 2011-10-11 2016-11-01 Halliburton Manufacturing & Services Limited Valve actuating apparatus

Similar Documents

Publication Publication Date Title
US2710655A (en) Rotatable port control sleeve
US3036807A (en) Valve apparatus
US3005507A (en) Fluid by-pass for rotary drill bits
US6672384B2 (en) Plug-dropping container for releasing a plug into a wellbore
US2227729A (en) Packer and sampling assembly
US2725891A (en) Hydraulically operated valve
US2744727A (en) Drill pipe float valve
US3191905A (en) Gravity operated kelly foot valve
US2596534A (en) Sheetsxsheet i
US2795281A (en) Apparatus for use in squeeze cementing and the like
US2429912A (en) Well cementing apparatus
US3011559A (en) Subsurface apparatus for automatically filling conduit strings
US2662600A (en) Well cementing plug
US2423801A (en) Apparatus for mixing drilling mud
US4088298A (en) Check valve assembly
US3216452A (en) Stage collars for tubular strings
US1569247A (en) Blow-out preventer
US2647728A (en) Inside blowout preventer
US1910442A (en) Apparatus and process for cementing wells
US2121268A (en) Valve for well testing tools
US2188141A (en) Tool joint control for blowout preventers
US2543382A (en) Reverse circulation rotary packer
US2143450A (en) Well flowing device
US2564066A (en) Multiple valve unit
US2738012A (en) Straddle tool