WO2004063523A1 - Actuation devices, tools and apparatus - Google Patents
Actuation devices, tools and apparatus Download PDFInfo
- Publication number
- WO2004063523A1 WO2004063523A1 PCT/GB2004/000009 GB2004000009W WO2004063523A1 WO 2004063523 A1 WO2004063523 A1 WO 2004063523A1 GB 2004000009 W GB2004000009 W GB 2004000009W WO 2004063523 A1 WO2004063523 A1 WO 2004063523A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rod
- cylinder
- piston
- towards
- actuation device
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 238000011835 investigation Methods 0.000 claims abstract description 8
- 230000033001 locomotion Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 15
- 238000013016 damping Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
- E21B23/04—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells operated by fluid means, e.g. actuated by explosion
- E21B23/042—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells operated by fluid means, e.g. actuated by explosion using a single piston or multiple mechanically interconnected pistons
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells for anchoring the tools or the like
Definitions
- the present invention relates to actuation devices and to apparatus for positioning such actuation devices in their location of use, primarily at the end of a drill string, and for operating the actuation devices in that location. More specifically, the invention relates the positioning, operation and use of actuation devices located for use in a drill string such as valve actuation devices and devices for the setting of packers or plugs, hi one form the invention relates to actuation devices in the form of investigation tools, and to their actuation, and in particular to investigation tools for carrying out geotechnical investigations. More especially, the invention relates to the positioning, operation and use sampling, measuring or testing tools for within drilling equipment to test soils and the like at the bottom of a drilled hole.
- the apparatus of the invention is well adapted for offshore use.
- valve actuators devices for setting packers or plugs and geotechnical investigation tools - for example, cone penetrometers, vanes, corers and samplers - from inside the drill string of a drilling rig.
- geotechnical investigation tools for example, cone penetrometers, vanes, corers and samplers - from inside the drill string of a drilling rig.
- the invention will be described hereinafter with reference only to geotechnical investigation tools but is also applicable to other actuation devices as noted above.
- the tools and associated equipment are lowered down the centre hole of the drilling string to the bottom where the tool is latched to prevent return (upward) movement.
- the tool is then operated as required to take the necessary samples or measurements and, subsequently, the tool and equipment are recovered by releasing the latches and withdrawing through the drill string. Further drilling can then take place before further sampling and testing at another depth.
- the drill string may be several thousand metres long.
- Typical drills have a diameter of about 125mm with an internal hole diameter of only 100mm so there is very limited space for the tool and its actuation equipment.
- the actuation of the tool can typically be by mechanical or hydraulic means, but the restricted operating space commonly results in complexity and unreliability.
- An example of such complexity is the need for reels and electrical slip rings to allow signals to pass to and from the geotechnical tool during extension and retraction of the actuation equipment.
- the present invention seeks to provide an actuation system for an actuation device, (such as a geotechnical tool, valve actuation devices or devices for the setting of packers or plugs) which at least partially overcomes these disadvantages.
- an actuation device such as a geotechnical tool, valve actuation devices or devices for the setting of packers or plugs
- apparatus for operation of an actuation device in a drill string comprising:
- hydraulic control unit is further operable to:
- the actuation device is selected from the group comprising geotechnical investigation tools, valve actuators, and actuators for the setting of packers and plugs.
- the retaining means may comprise a friction device operable to generate enough force on the inside of the drill string to resist the thrust of the hydraulic piston and cylinder arrangement.
- the retaining means comprise latching means operative to co-operate with an abutment surface provided on an inner surface of the drill string.
- the apparatus further comprises shoulder means mountable on the distal end (with respect to the cylinder) of the first rod and operative to urge the latching means from a latching condition to a release condition during movement of the first rod towards the first end.
- the second rod includes discrete passageways therein for the transmission of hydraulic fluid to the respective first and second chambers.
- the second rod includes first and second internal tube structures defining a first annular passageway between an inner surface of the second rod and an outer surface of the first internal tube and a second annular passageway between an inner surface of the first internal tube and an outer surface of the second internal tube
- the interior of the second internal tube provides a further passageway for control wires or cabling for the actuation device.
- the apparatus further comprises a casing mountable on the first rod for retaining the actuation device.
- the said casing desirably includes shock-absorbing means suitable to absorb energy of impact when the apparatus reaches an end stop towards the end of the drill string.
- a method of positioning an actuation device comprising: i). providing an apparatus as defined in the first aspect of the invention; ii). positioning the apparatus in a desired location in a drill string; iii). retaining the apparatus in said desired location; and iv). supplying hydraulic fluid to said first chamber to extend the first rod from the cylinder and to draw the hydraulic control unit towards the cylinder.
- the method further comprises the step of: Supplying hydraulic fluid to said second chamber thereby to urge the piston towards the first end to extend the second rod from the cylinder and to move the first rod towards the first end.
- Figures la and 1 b show schematic drawings of an apparatus according to the present invention
- Figures lc, Id and le are similar to Figures la and lb and show schematically the operation of the apparatus of the invention within a drill string;
- Figure 2 is a schematic sectional view of the apparatus according to the invention with a geotechnical tool mounted thereon;
- Figure 3 is similar to Figure 2 showing the tool in an extended configuration;
- Figure 4 is a schematic section view illustrating a hydraulic control means of the invention;
- Figure 5 is an enlarged view showing the piston and cylinder arrangement of the apparatus of Figures 1 and 2 in which the tool is in a retracted configuration;
- Figure 6 is an enlarged view showing the piston and cylinder arrangement of the apparatus of Figures 1 and 2 in which the tool is in an extended configuration;
- Figure 7 shows a cross-sectional view along the line 207-207 of Figure 6;
- FIGS 8 and 9 illustrate a latching means according to the invention in respective latching and non-latching configurations
- Figure 10 illustrates in more detail a shock-absorbing device useable with the apparatus of the invention.
- the principal components of the apparatus 100 of the invention, and its associated equipment comprise a section 100B incorporating a hydraulic control arrangement and a casing 100A in which is disposed an actuating device (which, in this example, is a geotechnical tool) and a hydraulic piston and cylinder arrangement for retraction and withdrawal of the tool.
- an actuating device which, in this example, is a geotechnical tool
- a hydraulic piston and cylinder arrangement for retraction and withdrawal of the tool.
- the Figures show a cone penetrometer as the geotechnical tool.
- the apparatus of the invention is equally applicable to other known geotechnical tools and other actuation devices as noted above.
- the section 100B is connected to a cable 101 which can support the apparatus and will normally include wires or cabling for signal transmission to the tool and the like. As such, the cable 101 is commonly known as an "umbilical".
- the umbilical 101 passes around a winch 102 for raising and lowering of the apparatus of the invention.
- the winch 102 is controlled by a control and monitoring system 103 which also controls the operation of the apparatus, tool and associated equipment, i Figure lb, the apparatus of the invention is in an extended condition, so that the tool 104 projects outwardly from the casing 100A.
- Figures lc to le illustrate the principal stages of operation of the apparatus according to the invention.
- the section 100B and casing 100A including the tool 104 are lowered by means of cable 101 and winch 102 into the interior of the drilling string 105.
- the leading end of the drilling string 105 includes an end stop (106) against which a leading end of the casing 100 A normally rests when it has been lowered to its position of use ( Figure Id).
- the hydraulic piston and cylinder arrangement in casing 100 A causes the section 100B to be drawn towards the casing 100A.
- the tool 104 is extended from the casing 100A ( Figure le).
- the section 100B is suspended from the umbilical 101 at an umbilical termination 150, and contains a hydraulic control arrangement 151.
- the hydraulic control arrangement includes an electrical termination 201 for control and power supply wires, an electric motor 202, a hydraulic pump 203, a fluid volume compensator 204 and hydraulic valves 205.
- the casing 100A includes a cylinder 152 in which is disposed a piston 157.
- the piston 157 is moveable within the cylinder 152 and sealingly divides the chamber into first (upper) and second (lower) chambers 152A and 152B.
- the chambers 152A and 152B are of variable size depending on the location of the piston 157 within the cylinder 152.
- a tool 104 is disposed within the casing 100A (in the configuration shown in Figure 2) and an upper end of the tool 104 is connected to a distal end (with respect to the cylinder) of a first or lower rod 158.
- the other end of the first rod 158 is attached to one side of piston 157 so that the first rod 158 and the tool 104 move in unison with the piston 157.
- a second or upper rod 156 is attached at one end to an opposite side of the piston 157 with respect to the first rod 158.
- the other (upper) end of the second rod 156 is attached to the section 100B containing the hydraulic control arrangement 151 so that the section 100B also moves in unison with the piston 157.
- the apparatus 100A, 100B incorporating the tool 104 is lowered through the drilling string 105 with the tool 104 in the retracted position shown in Figures lc and 2.
- the tool 104 can be extended. Referring now also to Figures 5 and 6 extension of the tool 104 is initiated by causing the hydraulic control arrangement 151 to pump hydraulic fluid into the first chamber 152A. This causes displacement of the piston 157 downwardly, i.e. towards the leading end of the drilling string and the end stop 106.
- the latching means 301 are thereby caused to engage the inner surface of the drilling string 105 (if not already so engaged) to prevent upward movement of the casing 100A with respect to the drilling string 105.
- Downward displacement of the piston causes a corresponding movement of those components which are attached to it, that is, the first rod 158 and the tool 104, so that the tool 104 is extended from the casing 100 A.
- the second rod 156 which is attached to the other side of the piston 157 is also moved downwardly and consequently draws the section 100B downwardly, towards the casing 100A. Movement of the piston 157 in the cylinder 152 can continue, under the control of the hydraulic control arrangement 151, until a desired extension of the tool 104 is achieved, or until the piston 157 reaches the limit of its movement at the lower end of the cylinder 152.
- the umbilical 101 is required to accommodate upward and downward movement, such as caused by movement of the vessel on the surface of sea from which the apparatus of the invention is deployed.
- This upward and downward movement requires changes in the length of the umbilical and may be accommodated by controlling the winch to maintain a desired tension in the umbilical.
- the desired tension may also be achieved through elasticity of the umbilical.
- the hydraulic control arrangement 151 and the piston 157 and cylinder 152 are advantageously designed to provide a low resistance to the flow of hydraulic fluid. This enables recovery of the apparatus in the event of failure of the hydraulic control arrangement 151 by simply lifting the apparatus by means of the umbilical 101. Lifting by the umbilical 101 will cause the piston and rod to be displaced upwardly, so releasing the latching means 301.
- a particular feature of the apparatus of the present invention is the means of transmission of the hydraulic fluid. This is achieved by providing the upper (second) rod 156 with two internal cylindrical tubes passing therethrough, as can be seen most clearly in Figure 7.
- Figure 7 shows in cross section the drilling string 105 with the casing 100A disposed therein.
- the upper rod 156 Within the casing 100A is the upper rod 156, a first internal tube 271 and a second internal tube 270.
- the internal tubes 270, 271 and the upper rod 156 are arranged concentrically.
- the internal tubes 270 and 271 are sized with respect to each other and to the upper rod 156 to define first and second passageways 275 and 276 for the transmission of hydraulic fluid to the respective first and second chambers 152A, 152B of the cylinder 152, the passageways preferably being annular.
- the inner internal tube 270 also provides within it a conduit for the passage of signal and/or control wires and cables and the like to the tool 104 by means of which the tool 104 is connected to control and monitoring equipment at the surface.
- the passageways for transmission of hydraulic fluid may be constructed as discrete tubes within which the hydraulic fluid flows, the tubes not then being arranged concentrically.
- the signal and/or control wires may or may not then be provided with their own internal tube. This alternative arrangement may have the advantage of lower cost and ease of construction.
- the hydraulic compensator 204 may take the form of a long flexible tube mounted within the rods 156,158 with the other tubes. This reduces the overall length of the apparatus 100 and so facilitates its handling.
- some of the required hydraulic valving can be mounted on the piston 157. This is advantageous in saving space and reducing the number of connections in the hydraulic control arrangement 151.
- FIGS 8 and 9 illustrate the operation of the latching means 301 of the apparatus according to the invention.
- the latching means 301 co-operate with a latching ring
- latching arms 301 A, 301B are provided which are moveable between a latching condition as shown in Figure 8 in which the arms 301 A,B will abut the latching ring 300 and a release condition in which the latching arms 301 A,B can freely pass the latching ring 300.
- the latching arms 301 A,B are biased by means such as a spring mechanism 302 towards the latching condition.
- the latching means are retained in the release condition by means of a shoulder part 320 of increased width relative to the lower rod 158, which shoulder part 320 counteracts the bias of the biasing means 302.
- Figure 10 illustrates the operation of the shock absorbing means preferably provided at the leading end of the casing 100A.
- the leading end 354 of the casing 100A includes a landing ring 350 which co-operates with the end stop 106 to prevent further downward movement of the casing 100 A.
- the casing 100 A includes an annular cavity 358 in which a cylinder 357 is disposed.
- the landing ring 350 is mounted on the leading end of the cylinder 357.
- a spring 352, or other suitable damping means such as resilient rubber components, is comiected to the upper end of the cylinder 357.
- the damping means is disposed within the cavity 358 above the cylinder 357.
- a hydraulic damping system may be provided in which a second spring or similar damping means 355 acts on an annular valve 353.
- a piston 356 forces hydraulic fluid through the valve 353 when urged upwardly (relative to the casing 100A on impact of the landing ring 350 with the end stop 106.
- the valve 353 and springs 352, 355 can be tuned to provide desired damping characteristics.
- the damping means may be disposed externally of the casing 100A.
- the hydraulic system may provide at least some of the required shock absorption, in that some motion of the rods 156, 158 and the hydraulic control arrangement 151 may be allowed against the hydraulic pressure.
- This arrangement acts to protect from impact shock the more sensitive components such as the geotechnical tool, motor, hydraulic system and electronic components and a separate mechanical shock absorber may not be needed.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04701051A EP1581719B1 (en) | 2003-01-10 | 2004-01-09 | Actuation devices, tools and apparatus |
DE602004008215T DE602004008215D1 (en) | 2003-01-10 | 2004-01-09 | OPERATING DEVICES, TOOLS AND DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0300550.1 | 2003-01-10 | ||
GBGB0300550.1A GB0300550D0 (en) | 2003-01-10 | 2003-01-10 | Investigation tools and apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004063523A1 true WO2004063523A1 (en) | 2004-07-29 |
Family
ID=9950933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2004/000009 WO2004063523A1 (en) | 2003-01-10 | 2004-01-09 | Actuation devices, tools and apparatus |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1581719B1 (en) |
AT (1) | ATE370309T1 (en) |
DE (1) | DE602004008215D1 (en) |
GB (1) | GB0300550D0 (en) |
WO (1) | WO2004063523A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2608694A (en) * | 2021-06-30 | 2023-01-11 | Halliburton Energy Services Inc | Service tool string with perforating gun assembly positioning tool |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6257331B1 (en) * | 1999-07-28 | 2001-07-10 | Atlantic Richfield Company | Downhole setting tool |
US6349770B1 (en) * | 2000-01-14 | 2002-02-26 | Weatherford/Lamb, Inc. | Telescoping tool |
WO2002079604A2 (en) * | 2001-03-31 | 2002-10-10 | Rotech Holdings Limited | Expandable downhole tool |
-
2003
- 2003-01-10 GB GBGB0300550.1A patent/GB0300550D0/en not_active Ceased
-
2004
- 2004-01-09 AT AT04701051T patent/ATE370309T1/en not_active IP Right Cessation
- 2004-01-09 EP EP04701051A patent/EP1581719B1/en not_active Expired - Lifetime
- 2004-01-09 DE DE602004008215T patent/DE602004008215D1/en not_active Expired - Lifetime
- 2004-01-09 WO PCT/GB2004/000009 patent/WO2004063523A1/en active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6257331B1 (en) * | 1999-07-28 | 2001-07-10 | Atlantic Richfield Company | Downhole setting tool |
US6349770B1 (en) * | 2000-01-14 | 2002-02-26 | Weatherford/Lamb, Inc. | Telescoping tool |
WO2002079604A2 (en) * | 2001-03-31 | 2002-10-10 | Rotech Holdings Limited | Expandable downhole tool |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2608694A (en) * | 2021-06-30 | 2023-01-11 | Halliburton Energy Services Inc | Service tool string with perforating gun assembly positioning tool |
GB2608694B (en) * | 2021-06-30 | 2023-11-01 | Halliburton Energy Services Inc | Service tool string with perforating gun assembly positioning tool |
Also Published As
Publication number | Publication date |
---|---|
EP1581719A1 (en) | 2005-10-05 |
EP1581719B1 (en) | 2007-08-15 |
GB0300550D0 (en) | 2003-02-12 |
DE602004008215D1 (en) | 2007-09-27 |
ATE370309T1 (en) | 2007-09-15 |
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