EP2024576A1 - Pumpvorrichtung - Google Patents
PumpvorrichtungInfo
- Publication number
- EP2024576A1 EP2024576A1 EP07728802A EP07728802A EP2024576A1 EP 2024576 A1 EP2024576 A1 EP 2024576A1 EP 07728802 A EP07728802 A EP 07728802A EP 07728802 A EP07728802 A EP 07728802A EP 2024576 A1 EP2024576 A1 EP 2024576A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- motor
- transmission
- pumping device
- engine
- 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.)
- Granted
Links
- 238000005086 pumping Methods 0.000 claims description 27
- 238000005553 drilling Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000013021 overheating Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000012530 fluid Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- CPYIZQLXMGRKSW-UHFFFAOYSA-N zinc;iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+3].[Fe+3].[Zn+2] CPYIZQLXMGRKSW-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B5/00—Use of pumping plants or installations; Layouts thereof
- E03B5/04—Use of pumping plants or installations; Layouts thereof arranged in wells
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
Definitions
- the invention relates to a pumping device for conveying a conveying medium from a from a floor level in the earth ⁇ inner leading deep bore se least ab baini ⁇ with a drilling casing is lined with a pump and a pump driving motor, the outside of the drilling Casing is arranged.
- Thermal water has a high temperature. Due to the, in particular in a thermal water production, hot fluid and by a ent ⁇ in the operation of the engine waste heat, there is a very high pump operating temperature and / or engine operating temperature. A service life of the pump and / or the engine is adversely affected by this.
- the motor which drives the pump and generates waste heat by friction and field losses is particularly at high temperature of the pumped medium at risk.
- a motor power supply must be routed through a drill pipe down to the actual pumping point through a cable protected from mechanical damage and water.
- such pumping devices are designed such that a pump motor temperature may not exceed a kriti ⁇ rule temperature value.
- a distance ei ⁇ ner nominal operating temperature to an actual operating Temperature is a measure of a lifetime of the pumping devices, especially for the pump motor. Is beispielswei ⁇ se the actual operating temperature or the ambient temperature is already above the nominal operating temperature and also close to the critical temperature value, the life of the pump device from operating at the nominal operating temperature is considerably reduced.
- a design for continuous operation at nominal operating temperature ⁇ ture can be made more difficult or completely impossible example due to the following conditions:
- the fluid in particular hydrocarbons and / or thermal water, has such a high characteristic temperature, that is, operation at the nominal operating Tempe ⁇ temperature and the required distance to the critical operating temperature can not be guaranteed.
- the demand on the delivery rate of the pump is so high that the resulting waste heat of the engine falls within the range of the critical temperature.
- linkage pumps are also used. Although such linkage pumps have the advantage that the pump can do their work deep down in the drill pipe, but the associated engine is installed over days. This means that the engine can be operated relatively uncritically for too high operating temperatures over days. Since the motor and the pump are mechanically coupled with a linkage, this solution has reached its conveying limit and / or its mechanical load capacity at a depth of approximately 300 m. Such a pumping device is already known from US Pat. No. 1,291,407.
- the object of the invention is to provide a pumping device which the disadvantages of the prior art vermei det ⁇ and in particular promote a conveying medium in egg ⁇ ner allows great depth with high ambient temperatures.
- the object is achieved for the above-mentioned pumping device according to the invention that the engine via the drilling piping laterally penetrating Drehmomentübertragungsmit ⁇ tel is connected to the pump. Since the engine is now no longer located within the drilling casing and thus no longer comes into contact with the hot fluid, the operating temperature of the engine can be kept in a non-critical range. This protects the motor from overheating and, in the event of a fault or maintenance, it can be pulled out of the deep hole irrespective of the pump.
- connection of the motor to the pump via a transmission ⁇ it enables it to set a desired pump speed over different ⁇ available engine speeds, the overspeed with respect to a transmission can be optimized torque to be transmitted.
- the transmission and the pump form a structural unit.
- a compact design for example, with a common Ge ⁇ housing, lower mechanical loads for ⁇ example, a drive train between the pump and gearbox can be achieved. This in turn allows for such a design, a larger power, whereby high flow rates can be achieved.
- the transmission and the pump are connected via a longitudinal bore of the depths ⁇ displaceable drive shaft for torque transmission to the pump at different bore depths in connection.
- This is for example advantageous when drives also for Ge ⁇ certain critical temperature limits must be maintained and lower the pump in a far and thus Hei ßeren environment promotes the fluid to light.
- the deep hole is widened by a shaft on ⁇ such that through this an upper portion of the drilling casing is exposed, wherein the motor is arranged in the shaft.
- the motor is accessible from above via the shaft realized by, for example, an outer bore.
- the outer bore which has a larger diameter than the drill pipe or the inner bore, allows with the shaft thus provided a trouble-free housing of the engine.
- the engine for example, for maintenance purposes, accessible without the need for broadening of ⁇ means of a heavy-duty crane, the pump including the motor and drill piping.
- the engine is connected via a cooling line with egg ⁇ nem cooler.
- a cooling line with egg ⁇ nem cooler.
- the cooler is arranged at floor level or above. Since at floor level or above generally much lower temperatures prevail than underground, the radiator thus arranged can effectively participate in a heat exchange process and supply the in depth be ⁇ sensitive engine with the required cooling capacity.
- An increase in serviceability is also achieved by the fact that the engine for repair or maintenance purposes via a detachable plug-in coupling is connectable to the transmission. For example, a failure of the engine can this Uncoupled from the gearbox in a particularly simple and quick way and pulled out of the shaft and repaired or replaced separately from the gearbox and pump. This significantly reduces the effort to maintain and / or repair an engine.
- FIG. 1 shows a pumping device with a pump and a gearbox shown as a structural unit and in
- FIG 2 shows the pump device according to the invention with a pump and a transmission in a spatial distance darge.
- FIG. 1 shows a schematic representation of a pumping device 1 for conveying a pumped medium 4 - here a thermal water - for a later geothermal heat and power supply.
- the properties of the thermal water are determined by a characteristic of the underground.
- the qualities of thermal water can range from drinking water quality to highly mineralized formation waters with, for example, saturated brines. This will vary depending on the application, and depending on the geological situation, the demands on the pumping device 1.
- the pressure and the temperature and the gas content may vary at different depths and in different geological areas strong.
- a motor 3 is arranged outside a drilling casing 5a and connected by means of egg ⁇ nes transmission 6 with a pump 2 , A För ⁇ said power 9 transports the pump 2, the pumping medium 4 from the drilling tubing 5a and 5b from the inner bore or the Earth's interior 5f to an overground deposit (not shown here).
- the inner hole 5b is so widened from the floor level 5 on her ⁇ that a shaft 5d to the required conveying ⁇ deep leads.
- This shaft 5d can be formed, for example, by an outer bore 5c of larger diameter which widens the inner bore 5b and at least partially frees the drill casing via its depth. The shaft 5d thus provides sufficient space for the engine 3 and for a cooling pipe 10 leading to the surface and for a power supply line 13.
- the cooling line 10 connects the engine 3 with a cooler 15 installed at floor level 5.
- the motor 3 is accessible from above via the shaft 5d.
- the power supply of the motor 3 via means of a power supply line 13.
- no special requirements are placed on a mechanical protection of the power supply line 13.
- insulation against moisture can be used for the power supply line 13 ⁇ be designed smaller than devices for the pumping process with a motor within the casing drilling is the case.
- the engine 3 Since the engine 3 is mechanically connected to the transmission 6 via a detachable plug-in coupling 18, the engine 3 can be decoupled from the transmission 6 in a simple manner in the event of a fault.
- the disconnected motor 3 can now be transported to the floor level 5 for maintenance or a complete replacement. After successful repair of the motor 3 or the complete replacement of the motor 3, the motor 3 can be spent by the shaft 5 d again underground. Does that have
- Motor 3 reaches its working depth, he is by inserting the plug-in coupling 18 in a designated gearbox flange again connected to the transmission 6 and is thus ready for use.
- FIG 2 shows a schematic representation of another embodiment of a pumping device 1 for conveying the pumped medium 4.
- the pumping device 1 has the peculiarity that the pump 2 and the transmission 6 via a drive shaft 7, which is designed as a pump linkage, in common ⁇ tion stand.
- the pumping device 1 is thus realized by means of a so-called linkage pump 2,7.
- These linkage pumps 2,7 are referred to in the art as a line-shaft pump.
- This alternative embodiment of a pump device 1 with a rod pump 2.7 is set with great advantage always then ⁇ , the drilling casing 5a when an inserted drill an upper portion 5e not until the required depth drilling or may abtäufen.
- the motor 3 with its gear 6 is placed at the maximum depth which an outer bore 5c can reach. Since, as already mentioned, the maxima ⁇ le depth of the outer hole 5c is not sufficient to promote from there the delivery medium 4, the pump 2 is mechanically connected via the drive shaft 7 with the gearbox. 6
- the pump 2 can be used at a greater depth. The greater depth is composed of the depth of the switch 5d and a length of the drive shaft 7.
- the drive shaft 7 is designed as a combination Nati ⁇ on an inner riser and the actual shaft which, UI merges on the way up from a height at which the gear 6 is arranged in the delivery line.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Geochemistry & Mineralogy (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Rotary Pumps (AREA)
- Eye Examination Apparatus (AREA)
- Fluid-Driven Valves (AREA)
- Seal Device For Vehicle (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006025762A DE102006025762B3 (de) | 2006-05-31 | 2006-05-31 | Pumpvorrichtung |
| PCT/EP2007/054349 WO2007137927A1 (de) | 2006-05-31 | 2007-05-04 | Pumpvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2024576A1 true EP2024576A1 (de) | 2009-02-18 |
| EP2024576B1 EP2024576B1 (de) | 2010-06-30 |
Family
ID=38056318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07728802A Not-in-force EP2024576B1 (de) | 2006-05-31 | 2007-05-04 | Pumpvorrichtung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8147217B2 (de) |
| EP (1) | EP2024576B1 (de) |
| AT (1) | ATE472640T1 (de) |
| DE (2) | DE102006025762B3 (de) |
| ES (1) | ES2346260T3 (de) |
| PT (1) | PT2024576E (de) |
| WO (1) | WO2007137927A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8382446B2 (en) * | 2009-05-06 | 2013-02-26 | Baker Hughes Incorporated | Mini-surge cycling method for pumping liquid from a borehole to remove material in contact with the liquid |
| US11578534B2 (en) * | 2021-02-25 | 2023-02-14 | Saudi Arabian Oil Company | Lifting hydrocarbons |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1291407A (en) * | 1915-10-11 | 1919-01-14 | Matthew T Chapman | Rotary deep-well pump. |
| US3550727A (en) * | 1968-11-25 | 1970-12-29 | Amarillo Gear Co | Slip coupling and one-way brake for irrigation pump |
| US3928841A (en) * | 1974-10-03 | 1975-12-23 | Shell Oil Co | Well logging system using single conductor cable |
| US4778355A (en) * | 1984-05-30 | 1988-10-18 | John And Martin Holland And Associates Limited Partnership | Well pump system |
| US5147530A (en) * | 1988-11-10 | 1992-09-15 | Water Soft Inc. | Well water removal and treatment system |
| US5145322A (en) * | 1991-07-03 | 1992-09-08 | Roy F. Senior, Jr. | Pump bearing overheating detection device and method |
| US5143153A (en) * | 1991-07-31 | 1992-09-01 | Bach Ronald L | Rotary oil well pump and sucker rod lift |
| DE19616578C1 (de) * | 1996-04-25 | 1997-07-24 | Netzsch Mohnopumpen Gmbh | Antriebskopf für ein drehantreibbares Gestänge, insbesondere zum Antreiben einer Bohrlochpumpe |
| CA2187578C (en) * | 1996-10-10 | 2003-02-04 | Vern Arthur Hult | Pump drive head |
| US5996691A (en) * | 1996-10-25 | 1999-12-07 | Norris; Orley (Jay) | Control apparatus and method for controlling the rate of liquid removal from a gas or oil well with a progressive cavity pump |
| US6092600A (en) * | 1997-08-22 | 2000-07-25 | Texaco Inc. | Dual injection and lifting system using a rod driven progressive cavity pump and an electrical submersible pump and associate a method |
| US6079491A (en) * | 1997-08-22 | 2000-06-27 | Texaco Inc. | Dual injection and lifting system using a rod driven progressive cavity pump and an electrical submersible progressive cavity pump |
| US6125931A (en) * | 1998-06-29 | 2000-10-03 | Weatherford Holding U.S., Inc. | Right angle drive adapter for use with a vertical drive head in an oil well progressing cavity pump drive |
| DE10011187A1 (de) * | 2000-03-08 | 2001-09-13 | Flender A F & Co | Getriebe für eine Tiefbohrlochpumpe |
| US6454010B1 (en) * | 2000-06-01 | 2002-09-24 | Pan Canadian Petroleum Limited | Well production apparatus and method |
| CA2311036A1 (en) * | 2000-06-09 | 2001-12-09 | Oil Lift Technology Inc. | Pump drive head with leak-free stuffing box, centrifugal brake and polish rod locking clamp |
| US6585041B2 (en) * | 2001-07-23 | 2003-07-01 | Baker Hughes Incorporated | Virtual sensors to provide expanded downhole instrumentation for electrical submersible pumps (ESPs) |
| US7168924B2 (en) * | 2002-09-27 | 2007-01-30 | Unico, Inc. | Rod pump control system including parameter estimator |
| AU2004284449B2 (en) * | 2003-10-20 | 2006-11-09 | Coray, Dale E. | Quick-release pump module |
| US7330779B2 (en) * | 2004-06-18 | 2008-02-12 | Unico, Inc. | Method and system for improving pump efficiency and productivity under power disturbance conditions |
| US20080257555A1 (en) * | 2004-07-06 | 2008-10-23 | Waldenstrom Carl G | Linear Drive Assembly with Rotary Union for Well Head Applications and Method Implemented Thereby |
| CA2474415A1 (en) * | 2004-07-15 | 2006-01-15 | Gerald Hayes | Auxillary cooler for an engine located in a building |
| US7645124B2 (en) * | 2005-11-29 | 2010-01-12 | Unico, Inc. | Estimation and control of a resonant plant prone to stick-slip behavior |
| BRPI0605759A (pt) * | 2006-12-15 | 2008-08-12 | Weatherford Ind E Com Ltda | freio auxiliar para cabeçotes de acionamento para bombas de cavidade progressiva |
-
2006
- 2006-05-31 DE DE102006025762A patent/DE102006025762B3/de not_active Expired - Fee Related
-
2007
- 2007-05-04 DE DE502007004268T patent/DE502007004268D1/de active Active
- 2007-05-04 AT AT07728802T patent/ATE472640T1/de active
- 2007-05-04 EP EP07728802A patent/EP2024576B1/de not_active Not-in-force
- 2007-05-04 WO PCT/EP2007/054349 patent/WO2007137927A1/de not_active Ceased
- 2007-05-04 US US12/227,566 patent/US8147217B2/en not_active Expired - Fee Related
- 2007-05-04 ES ES07728802T patent/ES2346260T3/es active Active
- 2007-05-04 PT PT07728802T patent/PT2024576E/pt unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007137927A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2346260T3 (es) | 2010-10-13 |
| WO2007137927A1 (de) | 2007-12-06 |
| EP2024576B1 (de) | 2010-06-30 |
| US20090148316A1 (en) | 2009-06-11 |
| US8147217B2 (en) | 2012-04-03 |
| ATE472640T1 (de) | 2010-07-15 |
| DE502007004268D1 (de) | 2010-08-12 |
| DE102006025762B3 (de) | 2007-06-14 |
| PT2024576E (pt) | 2010-07-30 |
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