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
  • E21B7/00—Special methods or apparatus for drilling
  • E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
• • 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
  • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
• • 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
  • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
  • E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
• • 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
  • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables

Definitions

• the present invention relates to a drilling rig or drilling apparatus, in particular a deep drilling apparatus, which is used in the offshore sector, wherein the use of this deep drilling apparatus is preferably carried out during vertical drilling for the development of deposits.
• deposit includes in particular the occurrence of a substance in liquid, gaseous or solid form or the presence of energetically usable conditions in geological structures, in particular with respect to crude oil, natural gas and geothermal energy.
• the drilling mast 1 is mounted on a pivot bearing 2 to be pivotable with respect to the drilling platform 4. This allows a simple and safe installation of the drilling mast 1 implement.
• a vertically movable feed carriage 6 is fixed, which has a receiving device 8 for boring bars.
• the drill rods 10 are fed via a pipe handler 12 and attached to the receiving device 8 and then introduced into the wellbore.
• the drilling platform 4 is arranged on a substructure 14, which has a plurality of segments 16, which are stacked side by side and one above the other.
• This object is achieved by a drilling rig according to claim 1, a power supply device according to claim 20, by mud pumps according to claim 25 and a device for generating hydraulic energy according to claim 26.
• a drilling rig is provided for use on a drilling platform with a drilling mast.
• This drilling rig is characterized in that the drilling mast and / or the power supply and / or the hydraulic energy generating device is composed of individual elements whose respective masses do not exceed a mass limit below 25 tons. This allows a faster assembly and disassembly of the drilling rig according to the invention become.
• an installation consisting of a drilling mast and substructure can be erected or dismantled in two or three days.
• linkages are preferably introduced into a borehole, with drilling with single boring bars being preferred.
• a quick connector system such as, for example, a semi-automated twist lock or a stub closure to implement the necessary function.
• the drilling platform is preferably an offshore drilling platform, which may for example be supported on the seabed or may be buoyant.
• the drilling mast may be attached to a substructure or an extra sub-deck may be provided below the drilling mast. In the place below the drilling mast then the blow-out preventer is provided.
• the drilling rig can have a substructure to which the drilling mast is attached and which together with the drilling mast can be displaced together on the drilling platform at least in one direction.
• an increased mobility of the drilling mast can be implemented in adaptation to be introduced or existing holes.
• the drilling mast may be provided with a feed slide on which preferably a rotary drive is provided and which is drivable via a hydraulic and / or electric drive, which is displaceable together with the substructure and the drilling mast. In this way, a compact unit can be implemented, are provided on the functional elements for carrying out the drilling process close to the drilling mast.
• a hydraulic supply device can be displaced together, via which, for example, a feed slide and / or a drill rod handling device can be fed. This way you can Energy loss can be reduced and the entire rig can be compactly implemented.
• a receiving device for boring bars and / or other drilling accessories can be displaceable together with the drilling mast. This reduces the chances of introducing the drill pipe into the borehole and saves energy.
• the hook load on the feed slide is at least 200 American tons, preferably about 400 American tons.
• American ton refers to the unit of mass abbreviated to tn.sh. "short ton", with a tn.sh.907.1874 kilograms.Thus, a high hook load can be realized with a compact design of the rig and can nevertheless good mobility of the drilling mast can be ensured.
• the substructure preferably has a footprint of greater than or equal to 6m x 6m and less than or equal to 12m x 12m.
• a substructure with such a base can be easily moved and also move in a frame in one direction while the frame is displaceable in a direction perpendicular to this first direction of movement. In this way, the drilling rig can be used in wells near which obstacles are arranged.
• Bohrstangen- handle means which is displaceable together with the drilling mast.
• the boring bar can be introduced into the well or be removed from this.
• the drilling rig with respect to the drilling platform has at least one stationary generator and an electrical device for providing the energy.
• This energy can be used both for electrical equipment and for hydraulic equipment, such as Flushing pumps, be provided.
• the power generation can be provided separately from the drilling mast, which can also be designed to be displaceable, and thus the energy expenditure for shifting can be reduced and a secure power generation can be implemented in a stationary arrangement.
• the stationary and / or mobile components of the drilling rig are at least partially, preferably completely, composed of individual elements whose respective mass does not exceed the stated mass limit value.
• the drilling rig can be set up with existing crane systems on platforms in a short time. For example, it is possible to set up and commission the entire system, for example in seven or ten days. In previous systems with much larger modules, such as a much heavier, massive drill mast, such short construction or dismantling times have not been feasible.
• the individual elements can preferably be connected to one another without welding in order to also take into account the explosion protection on the drilling platform. Said positive or non-positive connection is to be preferred.
• the mass limit is preferably 22 tons, more preferably 17 tons or 15 tons, and preferably 11 tons.
• the drilling mast may be slidable on a frame in a first direction and the frame may be slidable on the drilling platform in a second direction that is substantially perpendicular to the first direction.
• the drilling mast is displaceable on the frame in the first direction without hydraulic supply device and displaceable in the second direction together with the hydraulic supply device.
• the hydraulic supply device can alternatively be arranged on opposite sides of the drill mast with respect to the second direction.
• it is possible to react to concrete conditions of the drilling platform and it is also possible to operate boreholes close to obstacles while at the same time implementing a common method of a hydraulic supply device with the drilling mast.
• Such a flexible arrangement allows short operating times of the drilling rig on the drilling platforms. In combination with the short setup and dismantling times, short-term assignments can be realized.
• the substructure may have the height of at least 2, preferably 3 standard containers, whereby standard dimensions can also be implemented in the construction of the substructure.
• the use of the drilling rig according to the invention in an offshore drilling platform is of particular advantage, since the transport of individual elements to such a drilling platform is determined by weather influences, the transport capacity of ships and the lifting capacity of cranes either on the transport ships or on the drilling platform.
• Standard dimensions and the weight limit, which according to the invention is preferably applied to a plurality of individual elements, also allows the transport and loading and unloading of transport vessels in adverse weather conditions.
• the functional elements for driving, supplying and operating a drilling rig and / or the periphery are at least partially redundant.
• the drilling rig can still be operated even in the event of failure of individual elements and can be prevented from giving up the borehole due to the sticking, for example from the drill string.
• Such an emergency operation does not have to be performed at full power, but the elements may be adapted such that the operation of a respective functional element allows a basic supply of the wellbore.
• the control device for monitoring the drilling process can be designed to be redundant, so that monitoring of the drilling process is possible even in the event of failure of an operator or damage to a workplace.
• a power supply device is preferably provided for a drilling rig, more preferably for an offshore drilling rig, in which an internal combustion engine and the generator are provided in two modules and the respective mass of the internal combustion engine of the generator each have a mass limit of below or equal to 25 tons, preferably does not exceed 11 tons.
• the separation of internal combustion engine and generator makes it possible, for example, that generator outputs of, for example, at least 500 kVA can be implemented and yet a simple transport of the individual elements to offshore drilling platforms is possible.
• the modules can be connected to one another in a gastight manner, which takes account of explosion protection.
• the module connection is airtight.
• another module in which a heat exchanger and a fuel tank are provided, may be provided at the power supply device, and an even further module may be provided with the input lock and the control panel.
• these modules can also be integrated into the module of the internal combustion engine and / or the generator.
• flushing pumps are also provided, preferably for a drilling rig, more preferably for an offshore drilling rig, for pumping the drilling fluid with at least two, preferably four pumps whose mass does not exceed a mass limit below 25 tons, preferably 11 tons.
• a redundant design of the pump can be implemented, which allows emergency operation of the system even in a partial failure.
• a simple transportability of the individual elements can be ensured.
• a device for generating hydraulic energy for a top drive and / or a handling device can be provided, wherein the device forming individual functional elements are redundant. In this way, for example, for a drilling rig, preferably an offshore drilling rig, an emergency operation for the operation of the top drive and the handling device can be implemented in order to ensure the operation of the system during a partial failure of the system.
• FIG. 1 shows a drilling device according to the prior art
• FIG. 2 shows an oblique top view from the left of the drilling rig according to the invention
• FIG. 3 shows a plan view of the drilling rig according to the invention
• FIG. 4 shows a view from the left onto the drilling rig according to the invention
• FIG. 5 shows a front view of the drilling rig according to the invention
• FIG. 6 shows a detail of a view from the left of the drilling rig according to the invention
• FIG. 7 shows a detail of the plan view of the drilling rig according to the invention
• FIG. 8 shows a view of the upper mast end with topdrive and guide for the drag chain of the drilling rig according to the invention
• FIG. 9 shows a detail of the front view of the drilling rig according to the invention.
• FIG. 10 shows an enlarged view of the detail on the front view of the drilling rig according to the invention
• FIG. 11A shows a view from the left of the flushing preparation and the hydraulic units
• FIG. 11B shows a plan view of flushing preparation and the hydraulic units
• FIG. 11C shows a sectional view along the line AA from FIG. 11A
• FIG. 11D shows a sectional view along the line BB
• FIG. 11E show a sectional view on the line CC in FIG. 11A
• FIG. 12B shows a sectional view through a generator of the drilling rig according to the invention
• FIG. 12B shows a sectional top view of the generators of the drilling rig according to the invention
• FIG. 12C shows a sectional view along the line DD of the generators
• FIG. 12D shows a sectional view along the line EE in FIG. 12B of the generators the drilling rig according to the invention shows and
• Figure 13 shows a top perspective view of the substructure from the left rear.
• FIG. 2 An offshore vertical deep drilling rig according to the present invention is shown in Figure 2 in the oblique view from the left.
• the offshore vertical deep drilling rig 20 is located on a substructure, eg on a drilling platform 22, which, as shown in FIG. 2, may have a raised drilling platform section 26, for example by supports 24.
• the drilling platform 22 has a longitudinal direction X and a transverse direction Y. Parallel to the arrangement of the holes are preferably 2 guide rails 28a and 28b.
• the drilling unit 32 and the hydraulic and conditioning unit 34 are slidably formed on the guide rails 28a, 28b in the transverse direction Y.
• the drilling module 32 is applied via a frame 36 to the guide rails 28a, 28b, on which the drilling module 32 is displaceable in the longitudinal direction X of the drilling platform. In this way, the drilling unit can be positioned over a desired borehole 30 by displacement in both the X and Y directions.
• the hydraulic and conditioning unit 34 is mounted on the guide rails 28a, 28b via frame elements 37a, 37b.
• FIG. 5 shows a front view of the drilling unit 32 and the hydraulic and conditioning unit 34 in the position shown in FIG.
• the drilling unit 32 is then located on the left-hand side, while the hydraulic and conditioning unit 34 is arranged on the right-hand side.
• the hydraulic pressure accumulator 38 for the blow-out preventer an electronic control device 40, electrical power distribution modules 42a, 42b and generators 44a and 44b are provided.
• the drilling unit 32 and the hydraulic and conditioning unit 34 are supplied with electric power from the electronic control unit 40 and the electric power distribution modules 42a, 42b.
• FIG. 3 shows a plan view of the deep drilling rig 20 according to the invention.
• the relative distance to the electrical power distribution modules 42a, 42b and the electronic control device 40 changes Change of this relative distance are not shown in the present invention guide chains used, so that at different relative position of the units 32 and 34 on the drilling platform 22 a secure power supply from the devices 40, 42a, 42b is ensured.
• An advantage of the present deep drilling rig is that it is modularly assembled. It takes into account requirements for loads to be moved by platform cranes.
• the upper limit may be 20t or 17t, 15t, 13t, or preferably 11t for all the individual elements to be transported that make up the rig.
• the compliance with the maximum limit for the mass of the individual elements or modules makes it possible with conventional platform cranes the individual elements for the drilling rig according to the invention can be loaded and unloaded.
• mechanical connection devices for mounting on the drilling platform 22 without welding are preferred for connecting the individual elements.
• the use of conventional transport ships for transporting the individual elements also allows the modules to be transported to the drilling platform even in difficult weather conditions and rough seas.
• the left side view shown in Fig. 4 the enlarged left side view shown in Fig. 6 will be the front view shown in Fig. 5 and the front view details shown in Figs. 8 to 10 3, and the details of this plan view of FIG. 3 shown in FIG. 7, and with reference to the detailed views of FIG. 11, the structure of the drilling unit 32 and the hydraulic and conditioning unit 34 are explained.
• the drilling unit 32 can be removed in the overall view Fig. 5 and has on the frame 36 a base 46, on which the Fig. 10 removable working platform 48 is located. Above the working platform 48 extends from this substantially perpendicularly the drilling mast 50. Immediately above the working platform 48 wind protection elements 52a, 52b are provided
• the substructure 46 has, as it is also the view from the left rear of FIG. 13 can be removed, in the present embodiment, 3 floors, which are connected to each other via spiral staircases.
• the trip tank 56 is provided above the blow-out preventer 54.
• the present invention is not limited to the provision of the 3-storey substructure and the provision of spiral staircases for connecting the floors, but any number of floors adapted to the drilling requirements, including, for example, a ladder connection between the floors may be provided.
• the drilling mast 50 has four individual segments 58a-d, which are mechanically connected to one another. It has been found by the inventors that this subdivision of the drilling mast 50 into segments is advantageous for erecting on offshore platforms. Details of the mounting method of the drilling mast will be explained in more detail below.
• the feed carriage 60 further comprises a drill motor 62 with receiving device 63 for attaching the drill rods and a rod shaft 65 with attached elevator 64.
• This rod shaft 65 is used for quick removal of the drill pipe from the well and re-introduction of this to the already drilled depth.
• the lines for supplying the drill motor 62 and feed carriage 60 are fastened to a guide element 70 which extends beyond the upper segment 58a of the drill mast with feed carriage 60 located above the drill mast 50.
• the guide element 70 has a segment with a longitudinal extent in the longitudinal direction X. on, whereby several hydraulic lines for the drill motor 62 can be kept side by side with little mutual interference.
• a boring bar handler 66 and a screwing device 68 are provided on the boring mast 50 adjacent the work platform 48.
• a wedge not shown, is attached, via which the already introduced into the borehole boring bars can be held during the screwing.
• it is arranged above the boring bar handling device 66 vertically above the boring bar introduced into the borehole and screwed by means of the screwing device 68.
• the bolted boring bars are then driven via the drill motor 62 on the feed carriage 60, so that the drill rod attached via the boring bar handling device 66 can be introduced into the borehole.
• the use of the boring bar handler 66 will be described in greater detail below.
• the attachment of the drill rods is monitored via a control cabin 72 which is provided adjacent to the work platform 48.
• the control cabin 72 preferably has two workstations via which the same operating tasks can be implemented.
• This redundancy points to a second advantage of the invention that preferably at least central devices are redundantly provided in the offshore vertical deep drilling rig 20 according to the invention, so that the operation of the deep drilling rig is maintained in the event of failure of a device via the second device with identical basic function can be. In this way, a high overall technical availability of the rig is achieved, which is particularly advantageous in offshore installations, where once necessary repairs are always associated with a great deal of time and expense.
• each of these transverse modules 74a-d has a respective frame 75a-d into which a respective purging pump 76a-d with gear is inserted.
• each of the frames 75a-d is transported individually and each of the scavenging pumps 76a-d.
• the rinsing pumps with gear are preferably selected so that the respective pumping mass is below the mass restriction, for example, 11t.
• the inventors' concept of redundantly designing the facilities in the drilling rig can be implemented.
• Two longitudinal modules 78a, 78b in which the tanks for the drilling mud are located, are applied to the four transverse modules 74a-d in the longitudinal direction X.
• a sectional view of the tanks is shown in Fig. 11 D with the section B-B in Fig. 11A. Again, the redundant design of the facilities is preferred. Further, the provision of two tanks of different capacity in the longitudinal module 78a and three tanks in the longitudinal module 78b is exemplary only and any tank configuration tuned with the mud pumps 78a-d may be used in the longitudinal modules.
• the two longitudinal modules 78a, 78b have a distance b from each other and can be connected to each other by a bridge. The distance b is due to safety considerations. On the other hand, a compact hydraulic and conditioning unit 34 should be provided.
• the longitudinal modules 78a, 78b there are two longitudinal modules 80a, 80b.
• the screen unit is provided, while in the longitudinal module 80b are the hydraulic units 82, 84 for the drill motor 62, more precisely for rotating and moving the receiving device 63 and feed carriage 60 are.
• the embodiment of the hydraulic and conditioning unit 34 described above is only one example and there may be any modification with regard to the number and the function of the modules or individual elements of this unit 34. Although it is favorable from an energetic point of view to provide the hydraulics for the feed slide 60 in the uppermost modules. But these can also be provided at any point in the unit 34.
• the flushing treatment and / or the flushing pumps and / or the flushing tank and / or the hydraulic supply system may be formed stationary on the drilling platform 22.
• the co-provision and co-movement of the drilling unit 32 and the hydraulic and conditioning unit 34 is a difference from conventional stationary onshore deep drilling rigs where the tank system, mud pumps, and hydraulic units for driving the topdrive are at least partially housed stationary in the drilling platform 22 are.
• the electric power distribution modules 42a, b, the generators 44a, 44b, and the electronic control unit 40 are constructed according to the mass restriction for individual elements of the rig. This is shown by way of example with reference to a generator 44a in Figs. 12A to 12D, wherein Fig. 12A is a sectional side view of the generator 44a, Fig. 12B is a sectional plan view, Fig. 12C is a sectional view taken on line DD in Fig. 12A and Fig. 12D is a sectional view EE in Fig. 12B.
• the generators for offshore installation are designed as one-piece modules.
• the generator module 44a has been divided into four modules 86a-d.
• the module 86a heat exchangers 88 for the heat transfer of engine, generator, diesel and residual heat and a fuel tank 90 are provided.
• the module 86b is the drive motor for the generator, which is also sized so that this at least without the frame of the module 86b does not exceed the specified mass limit of, for example, 11t.
• a drive motor with a power above 1000 kW is preferably preferred.
• the minimum output of the generators will thus be above 4000 kW.
• any other power adapted to the required drilling work can be provided with any number of generators.
• the generators are preferably designed to be redundant, so that in case of accident, the well can be secured with reduced power.
• the module 86c contains the generator with corresponding heat dissipation, while the module 86d has an input lock 92 and a control field 94.
• the electrical power distribution modules 42a, b which are also modular with respect to the mass restriction, there are electrical devices to feed the electrical customers of the rig at corresponding terminals, for example, there are the frequency converter for the hydraulic pumps in the hydraulic and Conditioning unit 34 and the circuit breaker.
• the electronic control unit 40 provides the control signals for the drilling process and carries out the signal conditioning from and to the control cabin 72.
• the fuel tank system to supply the generators.
• the fuel, preferably diesel, in the fuel tanks 90 is provided only as a daily reserve.
• diesel tanks may be provided on the power generation platform 26 between the drilling unit 32 and the electric power distribution module 42b.
• a drill rod rack 96 Attached to the work platform 48 at the windshield 52a opposite side and adjacent to the windshield 52b and the control cab 72 is a drill rod rack 96, as shown in FIG. On this boring bar rack 96 are the boring bars, which are to be introduced directly to the borehole. Not shown in the drawings is a drill rod bearing bearing a larger number of drill rods than on the drill rod rack, preferably for a plurality of days.
• drill rod handling device 66 the recording of the horizontal in Fig. 9 on the drill rack rack 96 boring bars 98, the vertical orientation of these and the screwing of these by means of the screwing 68 with the through the wedge system with respect to the drilling platform held drill pipe in the borehole.
• An inspection and maintenance crane 102 to which a man basket 104 can be attached, is also attached to the work platform 48. In this way, the maintenance personnel can quickly reach the desired locations.
• an access platform 106 with stairs 108 is provided on the hydraulic and conditioning unit 34, via which unit 34 is accessible.
• the access platform 106 is connected by stairs 110 to an access to the control cabin 72.
• the staircase 108 is preferably arranged so that in a process of the units 32 and 34 over the entire length of the guide rails 28a, 28b the staircase 108 can move past the crane 100 for the drill rods. Alternatively, a temporary removal of the crane 100 may take place to move the units 32, 34. If the use of the deep drilling rig according to the invention is desired only in a certain area of the guide rails 28a, 28b, the installation location of staircase 108 and platform 106 can be adapted accordingly.
• the bridges 87 and the access platform 106 with associated stairs are, on the one hand, designed such that a movement beyond the desired extension in the transverse direction Y is possible without colliding with devices on or on the platform.
• the arrangement of the stairs ensures that the units 32, 34 are constantly accessible.
• the present invention can also be implemented modularly in the form of only individual functional elements.
• a drilling rig for use on a drilling platform with a drilling mast, which is characterized in that the drilling mast and / or the power supply and / or the hydraulic energy generating device are composed of individual elements whose respective masses have a mass limit below or below do not exceed 25 1.
• a drilling rig for use on a drilling platform with a drilling mast, the drilling rig having a substructure to which the drilling mast is attached and which is displaceable together with the drilling mast on the drilling platform at least in one direction, the drilling mast resting on a frame is slidable in a first direction and the frame is slidable on the drilling platform in a second direction which is substantially perpendicular to the first direction, wherein the drilling mast on the frame in the first direction without a arranged next to the substructure hydraulic and / or processing unit is displaceable and displaceable in the second direction together with the hydraulic and / or conditioning unit.
• the drilling mast is composed of individual elements whose respective masses do not exceed a mass limit of less than or equal to 25 t. In this way, the drilling mast can also be provided variably at corner regions of the drilling platform and maximum space utilization is possible.
• a drilling rig for use on a drilling rig with a drilling mast, characterized in that the drilling mast and / or the power supply and / or the hydraulic power generating means are composed of individual elements whose respective masses have a mass limit below or equal to 25 1 do not exceed.
• the drilling rig according to the first aspect has a substructure on which the drilling mast is mounted and which, together with the drilling mast on the drilling platform, can be displaced together in at least one direction.
• a hydraulic supply device is displaceable together with the drilling mast.
• a receiving device for drill rods and / or other drilling accessories can be displaced together with the drill mast in accordance with a fifth aspect.
• the hook load on the feed slide is at least 200 American tons, preferably about 400 American tons.
• the substructure has a footprint of greater than or equal to 6mx6m and less than or equal to 12mx12m.
• a boring bar handle device is provided, which is displaceable together with the boring mast.
• a drilling rig according to any one of the first to eighth aspects, according to a ninth aspect, has fixed at least one generator and electrical means for providing energy relative to the drilling platform.
• the stationary and / or mobile components of the drilling rig at least partially, preferably completely, composed of individual elements whose respective mass does not exceed said mass limit.
• the individual elements can be connected to one another without welding.
• the mass limit value is 22 t, more preferably 17 t or 15 t, and preferably 11 t.
• the drilling mast is slidable on a frame in a first direction, and the frame on the drilling platform is slidable in a second direction substantially perpendicular to the first direction.
• the mast is slidable on the frame in the first direction without hydraulic supply and slidable in the second direction together with the hydraulic supply.
• the hydraulic feeding device with respect to the second direction may alternatively be arranged on opposite sides of the drilling mast.
• the substructure has the height of at least two, preferably three, standard containers.
• the drilling platform is an offshore drilling platform.
• the control device for monitoring the drilling operation is designed to be redundant. It becomes one according to a twentieth aspect
• Energy supply device preferably for a drilling rig, provided in which an internal combustion engine and the generator are provided in two modules and the respective mass of the internal combustion engine and the generator does not exceed a mass limit of less than or equal to 251, preferably 11t.
• the generator power is at least 500 kVA.
• the modules are connectable to each other in a gas-tight manner.
• a heat exchanger and a fuel tank are provided.
• flushing pumps preferably for a drilling rig, for pumping the drilling mud with at least two, preferably four, pumps whose mass does not exceed a mass limit of less than or equal to 251, preferably 11t.
• a device for generating hydraulic energy for a top drive and / or a handling device provided, wherein the device forming individual functional elements are redundant.
• Control cab a-d Cross module a-d Frame a-d Flush pump a, b Longitudinal module a, b Longitudinal module

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• 2008
  • 2008-08-20 DE DE200810038456 patent/DE102008038456A1/de not_active Withdrawn
• 2009
  • 2009-08-10 WO PCT/DE2009/001123 patent/WO2010020214A2/de active Application Filing
  • 2009-08-10 EP EP09776076A patent/EP2340348A2/de not_active Withdrawn
  • 2009-08-10 US US13/059,943 patent/US9109399B2/en not_active Expired - Fee Related
  • 2009-08-10 MX MX2011001922A patent/MX2011001922A/es active IP Right Grant
  • 2009-08-10 BR BRPI0917281A patent/BRPI0917281A2/pt not_active Application Discontinuation
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