Container for polar region drilling and polar region drilling integrated equipment adopting same

Abstract

The utility model relates to a container for polar region drilling and polar region drilling integrated equipment. The container comprises a container body, opening and closing doors which are arranged on the two sides of the container body and used for equipment access and personnel walking, shutters which are arranged on the opening and closing doors and used for heat dissipation, and a plurality of side doors which are arranged on the side faces of the container body and used for operating drilling equipment. The sleigh is arranged at the bottom of the box body and used for walking on the ice surface, and the heater is arranged on the inner side wall of the box body and used for heating so that the drilling equipment can keep the operation temperature. The device can be applied to drilling construction in extremely cold areas and used for installing drilling equipment, the low temperature resistance of the equipment can be smaller than or equal to-45 DEG C, the equipment can overwinter in the South Pole, the equipment can be normally started after overwintering, the equipment can endure severe environmental conditions and complex under-ice environment tests in the construction period in the South Pole, and the requirement for drilling reliability is met; and various transportation modes such as ports, marine ships, helicopters and snowfields are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to polar drilling technical field, especially in polar drilling container and the polar drilling integrated equipment of using this container. BACKGROUND

[0002] Polar drilling equipment needs to be suitable for highway, railway, container ocean transport ship, snowmobile and other various forms of transportation conditions when transporting, can realize integral hoisting and also can realize split helicopter hoisting, the overall structure needs to realize modularization, convenient, light weight and other requirements, and the equipment adapts to ultralow temperature environment long-term storage and construction. UTILITY MODEL CONTENTS

[0003] Therefore, the utility model provides a polar drilling container and polar drilling integrated equipment, which aims at solving the problems in the prior art.

[0004] Specifically, the utility model discloses a polar drilling container, which comprises:

[0005] A box body;

[0006] Switch doors arranged on both sides of the box body for equipment access and personnel walking;

[0007] Louver windows arranged on the switch doors for heat dissipation;

[0008] A plurality of side doors arranged on the side of the box body for operating drilling equipment;

[0009] A snowmobile arranged at the bottom of the box body for walking on ice;

[0010] And a heater arranged on the inner side wall of the box body for heating to keep the drilling equipment at operating temperature.

[0011] On the basis of the above scheme, the box body comprises a box body, a detachable upper cover arranged at the top of the box body and a detachable lower cover arranged at the bottom of the box body.

[0012] On the basis of the above scheme, the utility model further comprises an observation window arranged on the box body.

[0013] On the basis of the above scheme, the utility model further comprises a pedestrian crossing arranged inside the box body.

[0014] On the basis of the above scheme, the utility model further comprises rock wool insulation boards arranged on the inner side wall of the box body for heat insulation.

[0015] On the basis of the above scheme, further comprising: the lifting structure arranged on the box.

[0016] In addition, the utility model provides a polar drilling integrated equipment for polar ice layer drilling, include: three the polar drilling container, three the polar drilling container in respectively install for in the drilling hole carry out the first drilling the polar air drill circulation integrated system, for in the drilling hole carry out the second drilling to complete the drilling core the polar drilling fluid circulation integrated system, for the polar air drill circulation integrated system and polar drilling fluid circulation integrated system provide power support the polar drilling rig site power integrated system and with Polar air drill circulation integrated system, polar drilling fluid circulation integrated system, polar drilling rig site power integrated system use for completing the drilling core rig system.

[0017] The container is used for installing drilling equipment, can reach equipment low temperature resistance ability <=-45 DEG C, can overwinter in the Antarctic, can start normally after overwintering, can withstand the polar harsh environmental conditions and complex ice environment test during the Antarctic construction, meets the drilling reliability requirement, meets the port, sea ship, helicopter, snow and other various transportation modes. BRIEF DESCRIPTION OF DRAWINGS

[0018] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The detailed description is made with reference to the accompanying drawings.

[0019] Figure 1 It is the structure schematic view of polar drilling container in example 1;

[0020] Figure 2 It is the structure schematic view (showing side) of polar drilling container in example 1;

[0021] Figure 3 It is the structure schematic view of polar drilling integrated equipment in example 2;

[0022] Figure 4 It is the structure schematic view of polar air drill circulation integrated system in example 2;

[0023] Figure 5 It is the structure schematic view of polar drilling fluid circulation integrated system in example 2;

[0024] Figure 6 It is the structure schematic view of solid-liquid separation assembly in example 2. DETAILED DESCRIPTION

[0025] Exemplary embodiments of the present disclosure will be described in greater detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it is understood that the present disclosure can be embodied in various forms without being limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be thoroughly and completely understood, and so that the scope of the present disclosure can be conveyed to those skilled in the art. It should be noted that the embodiments in the present disclosure and the features in the embodiments can be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0026] Embodiment 1

[0027] As Figures 1-2 shown, the present application provides a specific embodiment of a polar drilling container, which comprises a box body 4 with both sides through, a switch door 5 provided on both sides of the box body 4 for equipment access and personnel walking, a louver 7 provided on the side of the box body 4 for heat dissipation, and a plurality of side doors 8 for operating the drilling equipment.

[0028] Among them, the box body 4 adopts an open-top container, and the box top can be conveniently taken off and put on. In order to facilitate the disassembly and assembly of the box top, a ladder is further provided on the box body 4. Specifically, the box body 4 comprises a box body 4-1 with both sides through, a detachable upper cover 4-2 provided on the top of the box body 4-1, and a detachable lower cover 4-3 provided on the bottom of the box body 4-1.

[0029] In order to facilitate the observation of the working condition of the polar drilling equipment inside the box body, an observation window 4-4 is further provided on the side door 8.

[0030] In order to further improve the heat preservation performance of the container to the internal equipment, a rock wool heat insulation plate is further provided on the inner side wall of the box body 4.

[0031] As a specific embodiment, a snowmobile 10 is further provided on the bottom of the box body 4 for walking on the ice surface.

[0032] As a specific embodiment, a pedestrian passageway is further provided inside the box body 4.

[0033] In a low-temperature environment, the components of the circulating system are prone to cold shrinkage, cold brittleness, corrosion and other influences, increasing the risk of equipment failure. Equipment failure can cause drilling operations to be interrupted, and even cause safety accidents. As a specific embodiment, a heater is further provided on the inner side wall of the box body 4 for heating to maintain the operating temperature of the equipment. In use, the temperature inside the container is adjusted by alternating use of the heater, the first louver 7 and the second louver 9.

[0034] As a specific embodiment, a lighting lamp is arranged in the interior of the box body 4.

[0035] As a preferred embodiment, the container as a whole uses Q355D which has better low-temperature resistance, and compared with Q355A, B and C, the Q355D steel has a lower test temperature and better performance of low-temperature impact work.

[0036] In polar drilling, the single-body transport weight does not exceed 4t, and meets various transportation modes such as port, marine vessel, helicopter and snowfield, and each set of system can be integrated in a 20-foot container, and the container further comprises a hoisting structure arranged on the box body 4.

[0037] Embodiment 2

[0038] Based on the container for polar drilling in Embodiment 1, a specific embodiment of the integrated equipment for polar drilling is provided.

[0039] As shown in Figure 3 , the integrated equipment for polar drilling comprises three containers for polar drilling in Embodiment 1, and the containers are respectively provided with the integrated system 1 for air drilling in a borehole, the integrated system 2 for drilling fluid circulation in the borehole to complete coring, the integrated system 3 for providing power support for the integrated system 1 and the integrated system 2, and the drilling rig system 11 for completing coring, which is used in cooperation with the integrated system 1, the integrated system 2 and the integrated system 3.

[0040] The drilling rig system 11 is not described herein again, and a suitable drill bit and drilling tool are adaptively selected according to a use scenario.

[0041] As shown in Figure 4 , as a specific embodiment, the integrated system 1 for air drilling comprises an air compressor 1-1 arranged in the container for compressing air, a gas storage tank 1-2 connected with the air compressor 1-1 for storing high-pressure gas, a refrigeration dryer 1-3 connected with the gas storage tank 1-2 for primary drying of the high-pressure air, an adsorption dryer 1-4 connected with the refrigeration dryer 1-3 for secondary drying of the high-pressure air, a cooling machine 1-5 connected with the adsorption dryer 1-4 for cooling the high-pressure air, an air inlet pipeline 1-6 connected with an air outlet of the cooling machine 1-5 for conveying the high-pressure air flow to the drill bit, and an air outlet pipeline 1-7 connected with the drill bit for discharging air.

[0042] Specifically, the air temperature at the outlet of the cold air machine 1-5 should be ≤-5℃ due to the temperature limit of the polar environment.

[0043] As a specific embodiment, the polar air drilling circulation integrated system 1 further comprises a pre-filter 1-9 arranged on the input pipeline of the refrigeration dryer 1-3 for filtration and a post-filter 1-10 arranged on the output pipeline of the adsorption dryer 1-4 for filtration.

[0044] As a specific embodiment of the polar air drilling circulation integrated system 1, it further comprises a sensor assembly 1-8 arranged on the air inlet pipeline 1-6 for monitoring the flow rate, pressure, temperature and humidity of the high-pressure air. Specifically, the sensor assembly 1-8 comprises a vortex flowmeter for monitoring the flow rate of the high-pressure air, a pressure transmitter for monitoring the pressure in the air inlet pipeline 1-6, a second thermometer for monitoring the temperature in the air inlet pipeline 1-6 and a dew point meter for monitoring the humidity in the air inlet pipeline 1-6.

[0045] The polar air drilling circulation integrated system 1 is mainly suitable for drilling operations in polar, desert and other water-deficient, arid or environmentally friendly areas. In these environments, traditional liquid circulation media are easily limited by environmental conditions, while the air drilling circulation integrated system can effectively address these problems. In addition, the system can also be used for drilling operations in some special geological conditions, such as permafrost and salt layers.

[0046] As shown in Figure 5 As a specific embodiment, the polar drilling fluid circulation integrated system 2 comprises a cooling assembly 2-1 for cooling the drilling fluid, an injection assembly 2-2 arranged on the drilling fluid input pipeline and connected with the cooling assembly 2-1 for injecting low-temperature drilling fluid into the well bottom of the drilling well to cooperate with the drilling bit drilling, and a solid-liquid separation assembly 2-3 connected with the injection assembly 2-2 for separating the drilling fluid and ice or rock cuttings.

[0047] As a specific embodiment of the polar drilling fluid circulation integrated system 2, it further comprises a parameter detection assembly 2-4 arranged at the output end of the injection assembly 2-2 for monitoring the key parameters of the drilling fluid entering the wellhead, and the parameter detection assembly 2-4 comprises a first thermometer, a pressure gauge, a flowmeter and a liquid level meter.

[0048] Among them, the cooling assembly 2-1 comprises an air cooler 2-1-1, a heat exchanger 2-1-2 and a circulating pump 2-1-3.

[0049] The injection assembly 2-2 comprises a drilling fluid collecting tank 2-2-1 connected with the heat exchanger 2-1-2 for storing drilling fluid, an agitator 2-2-2 arranged on the drilling fluid collecting tank 2-2-1, a low-temperature plunger pump 2-2-3 connected with the drilling fluid collecting tank 2-2-1 for conveying drilling fluid, an accumulator 2-2-4 arranged on an output pipeline connected with the low-temperature plunger pump 2-2-3 for stabilizing the balance of drilling fluid pressure, and a pressure relief valve 2-2-5 arranged on an output pipeline connected with the other end of the pump head of the low-temperature plunger pump 2-2-3 and connected with the accumulator 2-2-4 for pressure relief.

[0050] During operation, the drilling fluid separated by the solid control is introduced into the drilling fluid collecting tank 2-2-1, the drilling fluid in the drilling fluid collecting tank 2-2-1 is sent into the heat exchanger 2-1-2 through the circulating pump 2-1-3 and the pipeline, the drilling fluid and the refrigerant of the air cooler 2-1-1 exchange heat in the heat exchanger 2-1-2, the air cooler 2-1-1 takes away the heat of the drilling fluid through the heat exchanger 2-1-2 to cool the drilling fluid, and after continuous circulation and cooling, the temperature of the drilling fluid is ≤-2℃ (the setting range can be-20 to 0℃), the drilling fluid flows from the heat exchanger 2-1-2 to the drilling fluid collecting tank 2-1-1 through the pipeline, and the drilling fluid collecting tank 2-1-1 can be added with a medicament according to the needs of drilling, the drilling fluid is stirred by the agitator 2-2-2 and then injected into the well.

[0051] As shown in Figure 6 As a specific embodiment, the solid-liquid separation assembly 2-3 comprises a blowdown pump 2-3-1 connected with the drill pipe for discharging the impurities discharged from the drill pipe, a vibrating screen 2-3-2 connected with the blowdown pump 2-3-1 for realizing solid-liquid separation of the material, and a vertical centrifuge 2-3-3 connected with the vibrating screen 2-3-2 for realizing solid-liquid separation to guide the output of the drilling fluid (returning to the drilling fluid collecting tank 2-1-1) and the cuttings or ice cuttings (output to the cuttings tank and the ice cuttings tank). The drilling fluid filtered through the vibrating screen 2-3-2 and the vertical centrifuge 2-3-3 is connected with the heat exchanger 2-1-2 through the pipeline and the circulating pump 2-1-3 through the drilling fluid output pipeline, exchanges heat, and then is injected into the well bottom through the low-temperature plunger pump 2-2-3 and the pipeline through the drilling fluid input pipeline.

[0052] Further comprising a sludge tank 2-3-4 for collecting solid waste. The drilling fluid from the wellhead is deposited in the sludge tank 2-3-4 and then pumped to the vibrating screen 2-3-2 by the blowdown pump 2-3-1, and the sludge tank 2-3-4 is a necessary passage for the forward circulation of the drilling fluid; the reverse circulation of the drilling fluid does not pass through the sludge tank, but directly from the wellhead to the vibrating screen 2-3-2, and the ice cuttings and cuttings from the vibrating screen 2-3-2 and the vertical centrifuge 2-3-3 slide or accumulate in the ice (rock) cuttings tank.

[0053] The setting positions of the cooling assembly 2-1, the injection assembly 2-2 and the solid-liquid separation assembly 2-3 in the box can be changed according to actual conditions.

[0054] The polar drilling fluid circulation integrated system 2 is a complete system used in drilling operation in a polar environment, and the design and functions thereof are considered in the special conditions of the polar environment. The system has better cold resistance, stability and reliability, and can be applied to drilling construction in extremely cold regions.

[0055] As a specific embodiment, the polar drilling rig power integrated system 3 includes two diesel generator sets arranged in the box for alternate use, a control cable reel and a silencer arranged on the diesel generator set. The two diesel generator sets are connected with the control cabinet through power cables and signal cables, and together form a complete power supply system. The two diesel generator sets are used alternately, and can be cold / hot standby and seamlessly switched. The power station can be unattended, and the power station components have good corrosion resistance, moisture resistance and salt mist resistance, and can be used in the extreme low temperature environment of the Antarctic.

[0056] The polar drilling rig power integrated system 3 has a wide application space, and is not limited to the Antarctic, but can also be applied to high mountains, deserts and other areas with harsh environments and difficult energy supply. In these areas, the power integrated system can provide stable power support for drilling equipment during drilling operations such as geological exploration, resource exploitation and scientific research.

[0057] The above three systems can realize remote intelligent control, and form the domestic leading polar air drilling circulation integrated system 1, the polar drilling fluid circulation integrated system 2 and the polar drilling rig power integrated system 3. Intelligent control is an important means to improve the performance of the polar system. Through the integration of sensors, controllers, communication and other technologies, real-time monitoring, automatic adjustment and remote control of the system are realized. Intelligent control can reduce maintenance costs and save manpower, and improve the operating efficiency of the system. Among them, the remote control means can use conventional means of existing technologies, which is not the innovation point of the present application and will not be described here.

[0058] The three system modules are modularized, and the single transportation weight does not exceed 4t, meeting various transportation methods such as ports, marine vessels, helicopters and snow. Each system can be integrated in a 20-foot container.

[0059] The three systems can achieve a low temperature resistance of the equipment ≤-45℃, can overwinter in the Antarctic, can be normally started after overwintering, and can withstand the harsh polar environment and complex ice environment during construction in the Antarctic, meeting the reliability requirements of drilling and reaching the world advanced level.

[0060] Specifically, the polar drilling container is integrated in a 20-foot container structure and fixed on a sled for transportation.

[0061] The container is used for mounting the drilling equipment, can reach the low-temperature resistance capacity of the equipment ≤-45 DEG C, can overwinter in the Antarctic, can be normally started after overwintering, can withstand the polar harsh environment conditions and complex ice-under environment tests during the construction in the Antarctic, meets the reliability requirements of drilling, and meets various transportation modes such as ports, marine vessels, helicopters and snow.

[0062] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model belong to the scope of the utility model claims and equivalent technologies, the utility model also intends to include these modifications and variations.

Claims

1. A polar drilling container, characterized by: It comprises: a box (4); a switch door (5) for equipment access and personnel movement arranged on both sides of the box (4); a louver (7) for heat dissipation and several side doors (8) for operating drilling equipment arranged on the side of the box (4); a sled (10) for walking on the ice arranged at the bottom of the box (4); and a heater arranged on the inner side wall of the box (4) for heating to keep the drilling equipment at operating temperature.

2. The polar drilling container according to claim 1, characterized in that The box (4) comprises a box body (4-1) through both sides, a detachable upper cover (4-2) arranged on the top of the box body (4-1), and a detachable lower cover (4-3) arranged at the bottom of the box body (4-1).

3. The polar drilling container according to claim 2, characterized in that It also comprises: an observation window (4-4) arranged on the box body (4-1).

4. The polar drilling container according to claim 1, characterized in that It also comprises: a pedestrian crossing arranged inside the box (4).

5. The polar drilling container according to claim 1, characterized in that It also comprises: rock wool insulation board for heat insulation arranged on the inner side wall of the box (4).

6. The polar drilling container according to claim 1, characterized in that It also comprises: a hoisting structure arranged on the box (4).

7. An integrated polar drilling apparatus for polar ice layer drilling, comprising: Three polar drilling containers according to any one of claims 1-6, characterized in that the three polar drilling containers are respectively installed with a polar air drill circulating integrated system (1) for primary drilling in a borehole, a polar drilling fluid circulating integrated system (2) for secondary drilling in a borehole to complete coring, a polar drilling rig site power integrated system (3) for providing power support for the polar air drill circulating integrated system (1) and the polar drilling fluid circulating integrated system (2), and a drilling rig system (11) for completing coring used in cooperation with the polar air drill circulating integrated system (1), the polar drilling fluid circulating integrated system (2), and the polar drilling rig site power integrated system (3).

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