WO2011060772A2 - Vorrichtung zur handhabung von rohren - Google Patents
Vorrichtung zur handhabung von rohren Download PDFInfo
- Publication number
- WO2011060772A2 WO2011060772A2 PCT/DE2010/001376 DE2010001376W WO2011060772A2 WO 2011060772 A2 WO2011060772 A2 WO 2011060772A2 DE 2010001376 W DE2010001376 W DE 2010001376W WO 2011060772 A2 WO2011060772 A2 WO 2011060772A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- base body
- tube
- clamping plates
- wedge
- pipe
- Prior art date
Links
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
- E21B19/06—Elevators, i.e. rod- or tube-gripping devices
- E21B19/07—Slip-type elevators
Definitions
- the invention relates to a device for handling pipes, which has a base body and a door, and in which in the base body at least one positionable by a hydraulic cylinder wedge for clamping the tube is arranged.
- Such devices are used for example in Olbohrwen for lowering or lifting pipe strands that connect the Olbohrw with the ground after completion.
- the tubing strings are typically assembled from individual tubes that are bolted together.
- the tubes are typically stored lying on the oil rig.
- For a production of the pipe string it is necessary to take the individual pipes, to erect and then screw with the existing pipe string.
- the known devices are not yet suitable for these operations in a sufficient manner.
- Object of the present invention is therefore to construct a device of the aforementioned type such that the required
- Handling functions are provided with a simple and robust design.
- This object is achieved in that a holding device is arranged in the region of an upper side of the base body, of which a base element is connected to the base body and a counter element to the door, and in which both the base element and the counter element guide profiles for clamping plates, which can be positioned by at least one hydraulic cylinder.
- the pipe sections can be easily absorbed and then rotated by 90 °. After screwing with an existing pipe string, the wedges are used to position the pipe string.
- the device serves as an elevator for receiving, lifting and depositing a complete pipe string or individual pipe segments.
- the elevator consists of a base body and a door, which are connected to each other by means of hinge pins. The door can be opened by pulling out the left hinge pin.
- wedge segments which bear against a bevel in the main body.
- the wedge segments can be moved up or down by hydraulic cylinders on the slopes.
- the slope causes a wedging between the segments and the pipe to be lifted when lowering the segments. The wedging is used for load transfer from the pipe to the body.
- the segments are arranged in the lowered position so that a complete enclosure of the tube is ensured in order to avoid deformation of the tube.
- the lateral guidance of the segments is done by provided recesses in body and door. As soon as the wedge segments are completely against the pipe, the operator receives a signal so that a safe load pick-up can be started.
- the device mechanism consists of two basic elements (door element and main body element), which are in each case firmly connected to the door or to the main body.
- the basic elements are each guide profiles in which two mounting plates are guided.
- the mounting plates are aligned opposite each other.
- a cylinder is attached to both sides of the main body member and respectively to the receiving plates and serves to open and close the device. Once the mounting plates are completely closed, the operator will get a signal to start a safe load picking up. The load is absorbed when the device is closed via the pipe joint (Tool Joint) on the receiving plates.
- the elevator can be pivoted by means of a rotating system by at least +/- 90 0 in order to record and move with the device horizontally or obliquely mounted tubes.
- the elevator is fully automated and therefore requires no personnel directly at the elevator.
- Hydraulic operation device and wedge segments Allows the picking and moving of vertically, horizontally and obliquely mounted pipe segments by integrated device mechanism
- a support of the clamping action by the force acting on the tube weight force is achieved in that the wedge is positionable in a longitudinal direction of the tube.
- Expedient wedge positioning is achieved by arranging between the wedge and the base body an inclined sliding plane for wedge positioning relative to the longitudinal axis of the tube.
- a structurally simple design is achieved in that the clamping plates are positioned transversely to the longitudinal direction of the tube.
- the clamping plates be positioned by two cylinders.
- clamping plates are each provided with a recess for the pipe to be held.
- the recess has a contour for fixing tubes with different diameters.
- Uniform force transmission can be achieved by the fact that the cylinders are controlled for the positioning of the clamping plates as a synchronous cylinder.
- the base body is arranged pivotable by at least 90 °.
- FIG. 4 shows a plan view of the arrangement according to FIG. 4, a plan view of the arrangement according to FIG. 5, a perspective view of the device in a partially disassembled state, the arrangement according to FIG 8 after a mounting of cylinders for the clamping plates in a relaxed state, the device according to FIG. 9 in a state clamping the pipe
- FIG. 11 is a plan view of the arrangement of FIG 9 with no associated pipe
- Fig. 12 is a plan view of the arrangement according to
- Fig. 13 is a side perspective view
- Fig. 14 is a perspective view of the
- FIG. 16 the arrangement of FIG. 15 after a
- FIG. 17 the arrangement of FIG. 16 after a
- the base body (1) of an elevator (2) is suspended from connecting elements (3).
- the main body (1) is provided with a door (4).
- Fig. 2 shows three wedges (5), which are intended to be supported by the main body (1) of FIG. 3.
- the main body (1) there is a recess (6) for each of the wedge segments (5).
- slopes according to FIG. 4 and FIG. 5 are arranged with two different angles (7, 8).
- the recesses (6) serve as a guide for the wedge segment (5) which is mounted in each recess (6).
- the wedge segments (5) also have slants with two different angles (7, 8) on their rear side.
- the slopes of the wedge segments (5) slide during lifting and lowering at the slopes in the base body (1).
- the small angle (8) on the segments (5) and on the base body (1) causes a wedge of the wedge segments (5) with the recorded tube.
- the large angle (7) has the purpose that the wedge segments (5) with a small stroke as far away from the tube.
- Behind each wedge segment is a hydraulic cylinder (9), which is connected to the base body (1) and the segments (5). These hydraulic cylinders (9) cause the lifting and lowering of the wedge segments (5).
- FIGS. 6 and 7 illustrate the positioning of the wedges 5 relative to the base body (1) in plan views respectively for the raised positioning in FIG. 6 and the lowered positioning in FIG. 7.
- a base element (10) and a counter element (11) of the device mechanism according to FIG. 8 each contain guide profiles (16, 17) in which two movable clamping plates (12, 13) are located.
- the clamping plates (12, 13) are aligned opposite one another.
- the clamping plates (12, 13) contain a contour (14) which encloses the tube when the device is closed.
- the contour (14) of Clamping plates (12, 13) is designed so that no replacement of the clamping plates (12, 13) is necessary to accommodate the different pipe diameters and move.
- a synchronizing cylinder (15) is attached to both sides of the main body member (1) and respectively to the clamping plates (12, 13).
- the synchronizing cylinders (15) cause a uniform movement of the two clamping plates (12, 13) within the guide profiles (16, 17).
- the clamping plates (12, 13) move toward each other, opposite when opening.
- the load is absorbed when the device is closed via the pipe joint (Tool Joint) on the clamping plates (12, 13).
- the integrated device mechanism is for receiving horizontally or inclinedly mounted tubes (18) to position them in the vertical position above the wellbore. As soon as the clamping plates (12, 13) are completely closed, the operator receives a signal so that safe load bearing can be started.
- FIGS. 9 to 12 respectively illustrate the function of the clamping plates (12, 13) for open and closed positioning.
- the contour (14) spanned by the clamping plates (12, 13) can be recognized.
- Two guide plates (19) are located below the wedge segments (5) according to FIGS. 13 and 14.
- the plates (19) are pushed through the opening in the base body (1) or the door (4) and fixed.
- the guide plates (19) have the task that during a rotation of the tube (18) (drilling method), the raised wedge segments (5) can not be damaged by the rotating tube (18).
- the elevator (2) is used on the rig as shown in Figures 15-17 to move pipe segments (18) with a 90 ° shoulder and to raise or lower the entire tubing string in the wellbore. This process happens as follows:
- the elevator (2) is rotated by 90 °, so that the pipe segment (18) through the bottom of the elevator (2) can be performed.
- the tube segment (18) is guided through the elevator (2) until the 90 ° shoulder of the tube segment (18) is above the integrated "single joint".
- the "single joint" mechanism is activated by two hydraulic synchronizing cylinders (15) and encloses the tube (18).
- the elevator (2) is pulled into the derrick until the tube segment (18) is vertical and above the borehole. (The elevator (2) will automatically turn back to the 0 ° position).
- the elevator (2) is raised to above the top of the pipe string and again rotated by 90 °, so that the next pipe segment (18) can be accommodated.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Clamps And Clips (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112010004523T DE112010004523A5 (de) | 2009-11-23 | 2010-11-23 | Vorrichtung zur handhabung von rohren |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009056394.6 | 2009-11-23 | ||
DE102009056394 | 2009-11-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011060772A2 true WO2011060772A2 (de) | 2011-05-26 |
WO2011060772A3 WO2011060772A3 (de) | 2012-03-01 |
Family
ID=44060096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2010/001376 WO2011060772A2 (de) | 2009-11-23 | 2010-11-23 | Vorrichtung zur handhabung von rohren |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE112010004523A5 (de) |
WO (1) | WO2011060772A2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2551530A1 (de) * | 2011-07-25 | 2013-01-30 | Blohm + Voss Repair GmbH | Vorrichtung zur Handhabung von Rohren |
US9670036B2 (en) | 2013-02-14 | 2017-06-06 | Ihc Holland Ie B.V. | Clamp system, gripping device therefore and method of using the clamp system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4579379A (en) * | 1984-01-11 | 1986-04-01 | Hughes Tool Company | Elevator/spider with improved locking mechanism |
WO2005106185A1 (en) * | 2004-05-01 | 2005-11-10 | Varco I/P, Inc. | Apparatus and method for handling pipe |
-
2010
- 2010-11-23 WO PCT/DE2010/001376 patent/WO2011060772A2/de active Application Filing
- 2010-11-23 DE DE112010004523T patent/DE112010004523A5/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
None |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2551530A1 (de) * | 2011-07-25 | 2013-01-30 | Blohm + Voss Repair GmbH | Vorrichtung zur Handhabung von Rohren |
US9670036B2 (en) | 2013-02-14 | 2017-06-06 | Ihc Holland Ie B.V. | Clamp system, gripping device therefore and method of using the clamp system |
Also Published As
Publication number | Publication date |
---|---|
DE112010004523A5 (de) | 2012-10-25 |
WO2011060772A3 (de) | 2012-03-01 |
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