阅读说明：本技术 一种石油开采用钻井钻杆 (Drilling drill rod for oil exploitation ) 是由 黄伟健 陈刚 于 2020-08-28 设计创作，主要内容包括：本发明涉及石油勘探开采技术领域,具体的说是一种石油开采用钻井钻杆,包括钻杆管、加强管和导水流动容道,加强管安装在钻杆管的内壁,且加强管通过安装的旋转连接件与钻杆管转动连接,导水流动容道开设在钻杆管的管壁中,钻杆管因为旋转打孔产生并传递至钻杆管内腔的热量可以很好的被散热翅片进行吸收,避免钻杆管的管壁出现因为过热摩擦变形的现象,而鼓风器上的扇片可以鼓动相邻散热翅片之间的气流随着扇片向钻杆管两端的排气孔外排,使得热量可以快速流动出钻杆管,因此减小钻杆管在钻孔时直接摩擦产生的热量,避免金属处于高的热损耗状态,进一步提高钻杆管的使用寿命,由于钻杆管内设有加强管,从而降低钻杆管发生断裂的问题。(The invention relates to the technical field of oil exploration and exploitation, in particular to a drilling drill rod for oil exploitation, which comprises a drill rod pipe, a reinforcing pipe and a water guide flowing channel, wherein the reinforcing pipe is arranged on the inner wall of the drill rod pipe, the reinforcing pipe is rotatably connected with the drill rod pipe through a rotary connecting piece, the water guide flowing channel is arranged in the pipe wall of the drill rod pipe, heat generated by rotary drilling of the drill rod pipe and transferred to the inner cavity of the drill rod pipe can be well absorbed by radiating fins, the phenomenon that the pipe wall of the drill rod pipe deforms due to overheat friction is avoided, and a fan blade on a blower can drive airflow between adjacent radiating fins to be discharged out of exhaust holes at the two ends of the drill rod pipe along with the fan blade, so that the heat can rapidly flow out of the drill rod pipe, the heat generated by direct friction of the drill rod pipe during drilling is reduced, the metal is prevented from being in a high heat loss state, and the service life of the drill rod pipe is, because the drill pipe is internally provided with the reinforced pipe, the problem that the drill pipe is broken is solved.)

1. The drilling drill rod for oil exploitation is characterized by comprising a drill rod pipe (1), a reinforcing pipe (2) and a water guide flowing channel (6), wherein the reinforcing pipe (2) for improving the strength of the drill rod pipe (1) is arranged on the inner wall of the drill rod pipe (1), and the reinforcing pipe (2) is rotatably connected with the drill rod pipe (1) through an installed rotary connecting piece (3); the water guide flowing channel (6) is arranged in the pipe wall of the drill pipe (1) and is in the same specification and distributed annularly and used for improving the heat dissipation and cooling of the drill pipe (1).

2. The oil development drill pipe of claim 1, wherein: the rotary connecting piece (3) comprises a sleeve joint seat (31) and a rotating ring (32), wherein the sleeve joint seat (31) is fixedly sleeved on the pipe heads on two sides of the reinforcing pipe (2) respectively, each sleeve joint seat (31) is provided with the rotating ring (32) which is rotatably connected, and the ring walls of the rotating rings (32) are fixedly embedded in the annular grooves formed in the inner pipe wall of the drill pipe (1) respectively.

3. The oil development drill pipe of claim 1, wherein: a plurality of radiating fins (4) distributed annularly are mounted on the outer pipe wall of the reinforcing pipe (2), and the distance between the outer end face of each radiating fin (4) and the inner wall of the drill pipe (1) is 1-1.2 cm.

4. The drill pipe for petroleum extraction as recited in claim 3, wherein: the density included angle that radiating fin (4) distributes is at 10 one or 20 one, the thickness of radiating fin (4) is 5-10mm, and the both sides wall of radiating fin (4) all is equipped with a plurality of wavy stripes.

5. A drill pipe for oil development according to any one of claims 1 or 3, wherein: all install fan (5) on reinforced pipe (2) of radiating fin (4) both sides, and fan (5) include connection pad (51) and fan (52), fixed gomphosis of connection pad (51) is on reinforced pipe (2), and fixed mounting has a plurality of annular fan (52) that distribute on the dish wall of connection pad (51).

6. A drill pipe for drilling for oil development according to claim 1, characterized in that: the pipe wall of the drill pipe (1) close to the two ends is provided with a plurality of exhaust holes distributed in an annular mode, and each exhaust hole is internally embedded with a protective metal separation net.

7. The oil development drill pipe of claim 1, wherein: lead rivers and move and say (6) including toper delivery port (61), snakelike connection chamber (62) and water guide chamber (63), set up on the pipe wall that drilling rod pipe (1) is close to the bottom toper delivery port (61), and toper delivery port (61) be equipped with drilling rod pipe (1) excessive tangent plane, set up snakelike connection chamber (62) with toper delivery port (61) intercommunication in drilling rod pipe (1), and snakelike water guide chamber (63) intercommunication of seting up in the other end of connecting chamber (62) and drilling rod pipe (1), the water inlet has been seted up to the pole wall that is close to the top of drilling rod pipe (1), and water inlet and water guide chamber (63) communicate each other.

8. The drill pipe for petroleum extraction as recited in claim 7, wherein: the pipe wall of the drill pipe (1) at the conical water outlet (61) is fixedly embedded with a semi-open type protective sheet, and the protective sheet is lower than the outer pipe wall of the drill pipe (1).

9. The oil exploitation drilling rod according to claim 1, characterized in that the end of the bottom of the drilling rod pipe (1) is provided with an integrally formed rotary pipe (7), the rotary pipe (7) is provided with a hollow threaded connecting rod (8), the end of the top of the drilling rod pipe (1) is fixedly provided with an integrally formed connecting pipe (9), and the inner wall of the connecting pipe (9) is provided with an internal thread (9 a).

Technical Field

The invention relates to the technical field of oil exploration and exploitation, in particular to a drilling rod for oil exploitation.

Background

Petroleum is a fluid mineral buried deep in the ground. At first, oily liquid minerals produced in nature are called petroleum, combustible gas is called natural gas, and solid combustible oily minerals are called asphalt. With the intensive research on these minerals, it is recognized that they are hydrocarbon compounds in composition, and are related to each other in origin, so they are collectively called petroleum. The 11 th world oil in 9/1983 proposed that oil be a complex mixture of gaseous, liquid and solid hydrocarbons found in nature, with a small amount of impurities. Oil production also includes natural gas production.

The petroleum plays a role in national economy, is an important energy source, and has the advantages of high energy density (the combustion heat of the petroleum with equal weight is 50 percent higher than that of standard coal), convenient transportation and storage, small pollution degree to the atmosphere after combustion and the like compared with coal. Fuel oil extracted from petroleum is the main fuel for various kilns in the transportation, power station boilers, metallurgical and building material industries. Liquefied gas and pipeline gas which take petroleum as raw materials are high-quality fuels applied to life of urban residents, and airplanes, tanks, naval vessels, rockets and other spacecrafts consume a large amount of petroleum fuels, so that petroleum is listed as a strategic material in many countries.

Along with the deep exploration and development of petroleum and natural gas resources, the problems of complex geological conditions, low mechanical drilling speed, increased drilling cost and the like become obvious day by day. Particularly, with the continuous increase of the drilling depth, the pressure of a drilling fluid column in a shaft is also continuously increased, the pressure holding effect on rock debris is more and more obvious, the transmission, conversion, distribution and utilization efficiency of hydraulic energy in the drilling process is further reduced with the increase of the drilling depth, and the reduction of the production speed is directly caused. However, the drilling drill rod that current oil exploitation adopted is at the well drilling in-process, and the pipe wall of drilling rod consequently carries out violent friction with rock, soil etc. and leads to the easy cohesion heat of drilling rod inner chamber and difficult outer row for the drilling rod is in high heat loss state, greatly reduced the life of drilling rod, and the drilling rod passes through the screw and is connected the back with the rig, drives the drilling rod through the rig and rotates and drill, and because the longer cracked phenomenon of very easy emergence of the interlude that makes the overlength of drilling rod because the length of drilling rod.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a drilling rod for oil exploitation.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a drilling rod for oil development, includes that drilling rod pipe, reinforcing pipe and water guide flow hold way for improve drilling rod pipe intensity the reinforcing pipe is installed at the inner wall of drilling rod pipe, and the rotating connector who just strengthens the pipe and is connected with the drilling rod pipe rotation through the installation, and a plurality of specifications are the same, the annular distributes and is used for improving drilling rod pipe heat dissipation, cooling water guide flow hold way and offer in the pipe wall of drilling rod pipe.

Specifically, swivel connected coupler is including cup jointing seat and swivel becket, two cup jointing the seat and fixedly cup jointing the tube head in the enhancement pipe both sides respectively, and all install the swivel becket of rotating the connection on each cup jointing the seat, two the rampart of swivel becket is fixed respectively in the annular groove that gomphosis seted up to the intraductal pipe wall of drilling rod.

Specifically, a plurality of radiating fins distributed annularly are mounted on the outer pipe wall of the reinforcing pipe, and the distance between the outer end face of each radiating fin and the inner wall of the drill pipe is 1-1.2 cm.

Specifically, the distribution density included angle of the radiating fins is 10 degrees or 20 degrees, the thickness of the radiating fins is 5-10mm, and a plurality of wavy stripes are arranged on two side walls of each radiating fin.

Specifically, the reinforcing pipes on the two sides of the radiating fins are provided with blowers, each blower comprises a connecting disc and fan blades, the connecting discs are fixedly embedded on the reinforcing pipes, and the disc walls of the connecting discs are fixedly provided with a plurality of fan blades distributed annularly.

Specifically, a plurality of exhaust holes distributed in an annular mode are formed in the pipe wall, close to the two ends, of the drill pipe, and a protective metal separation net is embedded into each exhaust hole.

Specifically, the water guide flowing channel comprises a conical water outlet, a snake-shaped connecting cavity and a water guide cavity, the conical water outlet is formed in the pipe wall, close to the bottom end, of the drill pipe, the conical water outlet is provided with a tangent plane excessive to the drill pipe, the snake-shaped connecting cavity communicated with the conical water outlet is formed in the drill pipe, the other end of the snake-shaped connecting cavity is communicated with the water guide cavity formed in the drill pipe, the water inlet is formed in the pipe wall, close to the top, of the drill pipe, and the water inlet is communicated with the water guide cavity.

Specifically, a semi-open type protective sheet is fixedly embedded on the pipe wall of the drill pipe at the conical water outlet, and the protective sheet is lower than the outer pipe wall of the drill pipe.

Specifically, an integrated into one piece's rotatory pipe is installed to the end of drilling rod socle portion, and installs cavity threaded connection pole on the rotatory pipe, the end fixed mounting at drilling rod pipe top has integrated into one piece's connecting pipe, and the pipe wall has seted up the internal thread in the connecting pipe.

The invention has the beneficial effects that:

1. according to the drilling rod for oil exploitation, heat generated by the drilling rod pipe due to rotary drilling and transferred to the inner cavity of the drilling rod pipe can be well absorbed by the radiating fins, so that the surface temperature of the drilling rod pipe can be quickly reduced, and the phenomenon that the pipe wall of the drilling rod pipe deforms due to overheating friction is avoided;

2. according to the drilling rod for petroleum exploitation, the rotation speed difference between the reinforcing pipe and the drilling rod pipe occurs when the drilling rod pipe rotates due to the rotation connection relationship of the rotating ring of the reinforcing pipe, so that the fan blades on the blower are in a rotating or forbidden state relative to the inner pipe wall of the drilling rod pipe, and the fan blades can drive airflow between adjacent radiating fins to be discharged out of the exhaust holes at two ends of the drilling rod pipe along with the fan blades, so that heat can flow out of the drilling rod pipe quickly, heat generated by direct friction of the drilling rod pipe during drilling is reduced, metal is prevented from being in a high heat loss state, and the service life of the drilling rod pipe is further prolonged;

3. according to the drilling rod for oil exploitation, water supply equipment provided in a drilling system can be used for supplying water to each water guide flow containing channel, water liquid is discharged downwards along the pipe wall of the drilling rod pipe along with a water guide cavity, so that the temperature of the drilling rod pipe can be rapidly reduced, an excessive cambered surface is arranged at the joint of a rotating pipe and the drilling rod pipe, so that the downward-discharged water liquid is subjected to diffusion type shunting along the excessive cambered surface, the drilling rod is cooled by water and the ground surface at a drilling hole can be effectively wetted, the protection on the drilling rod is enhanced on one hand, and the speed of a drilling process is accelerated on the other hand;

4. according to the drilling drill rod for petroleum exploitation, the reinforcing pipe is arranged in the drill rod pipe through the rotary connecting piece, so that the stress section of the drill rod pipe is effectively reinforced, the problem of breakage of the drill rod pipe can be greatly reduced, and the service life of the drill rod pipe is prolonged.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic overall structure of a drilling rod for oil exploitation according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the drill pipe of FIG. 1 in cross-section;

FIG. 3 is a schematic structural view of the reinforced pipe shown in FIG. 2;

FIG. 4 is an enlarged view of the structure shown at A in FIG. 3;

FIG. 5 is a schematic cross-sectional view of the drill pipe of FIG. 1;

fig. 6 is an enlarged schematic view of the structure shown at B in fig. 5.

In the figure: 1. the device comprises a drill pipe, 2, a reinforcing pipe, 3, a rotary connecting piece, 31, a sleeve joint seat, 32, a rotating ring, 4, a radiating fin, 5, a blower, 51, a connecting disc, 52, a fan sheet, 6, a water guide flowing channel, 61, a conical water outlet, 62, a snake-shaped connecting cavity, 63, a water guide cavity, 7, a rotating pipe, 8, a hollow threaded connecting rod, 9, a connecting pipe, 9a and internal threads.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, the drilling rod for oil exploitation according to the present invention includes a drilling rod pipe 1, a reinforcing pipe 2 and a water guide flow channel 6, wherein an integrally formed rotary pipe 7 is installed at an end of a bottom of the drilling rod pipe 1, a hollow threaded connecting rod 8 is installed on the rotary pipe 7, an integrally formed connecting pipe 9 is fixedly installed at an end of a top of the drilling rod pipe 1, and an internal thread 9a is formed on an inner wall of the connecting pipe 9.

In a specific implementation process, as shown in fig. 1, fig. 3 and fig. 4, the reinforcing pipe 2 for improving the strength of the drill pipe 1 is installed on the inner wall of the drill pipe 1, and the reinforcing pipe 2 is rotatably connected with the drill pipe 1 through the installed rotary connector 3, and the rotary connector 3 includes a socket 31 and a rotating ring 32, the two socket 31 are respectively fixedly sleeved on the pipe heads on the two sides of the reinforcing pipe 2, and each socket 31 is provided with the rotating ring 32 rotatably connected, and the ring walls of the two rotating rings 32 are respectively fixedly embedded into the annular grooves formed in the inner pipe wall of the drill pipe 1.

It should be noted that: when the drill pipe 1 is used for drilling along with the drill bit arranged on the threaded connecting rod 8, the reinforcing pipe 2 arranged in the drill pipe 1 through the rotary connecting piece 3 enables the stress section of the drill pipe 1 to be effectively reinforced, so that the problem that the drill pipe 1 is broken is solved, and the service life of the drill pipe 1 is prolonged.

Wherein, install a plurality of cooling fin 4 that the annular distributes on the outer pipe wall of reinforcing pipe 2, and the outer terminal surface of cooling fin 4 and the interval of drilling rod pipe 1 inner wall are 1-1.2cm, and the density contained angle that cooling fin 4 distributes is one at 10 or 20, cooling fin 4's thickness is 5-10mm, and cooling fin 4's both sides wall all is equipped with a plurality of wavy stripes, thereby produce and transmit the heat that reaches drilling rod pipe 1 inner chamber to be absorbed by cooling fin 4 that can be fine by drilling rod pipe 1 because the rotatory drilling, consequently, can reduce the surface temperature of drilling rod pipe 1 fast, avoided the pipe wall of drilling rod pipe 1 to appear because of the phenomenon of overheated frictional deformation.

Referring to fig. 3 and 4, blowers 5 are mounted on the reinforcing tubes 2 on both sides of the heat dissipation fins 4, each blower 5 includes a connecting disc 51 and a fan 52, the connecting discs 51 are fixedly embedded on the reinforcing tubes 2, and a plurality of fan 52 distributed annularly are fixedly mounted on the disc walls of the connecting discs 51, wherein a plurality of exhaust holes distributed annularly are formed in the tube wall of the drill pipe 1 near both ends, and a protective metal screen is embedded in each exhaust hole.

It should be noted that: because the reinforcing tube 2 is rotationally connected with the rotating ring 32, when the drill pipe 1 rotates, a rotation speed difference occurs between the reinforcing tube 2 and the drill pipe 1, so that the fan blades 52 on the blower 5 are in a rotating (or forbidden) state relative to the inner pipe wall of the drill pipe 1, and the fan blades 52 can drive the air flow between the adjacent radiating fins 4 to be discharged out of the exhaust holes at two ends of the drill pipe 1 along with the fan blades 52, so that the heat can rapidly flow out of the drill pipe 1, the heat generated by direct friction of the drill pipe 1 during drilling is reduced, the metal is prevented from being in a high heat loss state, and the service life of the drill pipe 1 is further prolonged.

Referring to fig. 1, 2, 5 and 6, a plurality of water guide flow channels 6 which are the same in specification, distributed annularly and used for improving heat dissipation of the drill pipe 1 and reducing temperature are arranged in the pipe wall of the drill pipe 1, each water guide flow channel 6 comprises a conical water outlet 61, a snake-shaped connecting cavity 62 and a water guide cavity 63, each conical water outlet 61 is arranged on the pipe wall of the drill pipe 1 close to the bottom end, each conical water outlet 61 is provided with a tangent plane excessive to the drill pipe 1, each drill pipe 1 is internally provided with the snake-shaped connecting cavity 62 communicated with the corresponding conical water outlet 61, the other end of each snake-shaped connecting cavity 62 is communicated with the corresponding water guide cavity 63 arranged in the drill pipe 1, the pipe wall of the drill pipe 1 close to the top is provided with a water inlet, and the water inlets are communicated with the water guide.

It should be noted that: but utilize water supply equipment that provides among the drilling system each water conservancy diversion flow path 6 to supply water, through the force (forcing) pump on the water supply equipment, let in the inside of water inlet with liquid, water liquid can reduce the temperature of drilling rod pipe 1 along the pipe wall of drilling rod pipe 1 down rapidly along water guide chamber 63, and arrange outward through toper delivery port 61, and the junction of swivelling joint pipe 7 and drilling rod pipe 1 is equipped with excessive cambered surface, make the water liquid of arranging down along the diffusion formula reposition of redundant personnel that carries out of excessive cambered surface, not only carry out the water-cooling to the drill bit and can effectual moist earth's surface of punching hole department simultaneously, strengthened the protection to the drill bit on the one hand, on the other hand makes the speed of drilling process accelerate.

Wherein, the pipe wall of the drill pipe 1 at the position of the conical water outlet 61 is fixedly embedded with a semi-open type protective sheet, the protective sheet is lower than the outer pipe wall of the drill pipe 1, and the conical water outlet 61 avoids the problem that soil on the ground enters the conical water outlet 61 and blocks the conical water outlet 61.

The air flow process of the drilling rod for oil exploitation provided by the invention is as follows:

when the drill pipe 1 drills along with a drill bit arranged on the threaded connecting rod 8, because the reinforcing pipe 2 is arranged in the drill pipe 1 through the rotary connecting piece 3, the stress section of the drill pipe 1 is effectively reinforced, the problem that the drill pipe 1 is broken can be greatly reduced, the service life of the drill pipe 1 is prolonged, heat generated by rotary drilling of the drill pipe 1 and transferred to the inner cavity of the drill pipe 1 can be well absorbed by the radiating fins 4, the surface temperature of the drill pipe 1 can be quickly reduced, the phenomenon that the pipe wall of the drill pipe 1 deforms due to overheating friction is avoided, and the reinforcing pipe 2 is in a rotating connection relationship with the rotating ring 32, so that the reinforcing pipe 2 and the drill pipe 1 have a rotating speed difference when the drill pipe 1 rotates, and the fan sheets 52 on the blower 5 are in a rotating or forbidden state relative to the inner pipe wall of the drill pipe 1, therefore, the fan blades 52 can drive the air flow between the adjacent radiating fins 4 to be discharged to the exhaust holes at the two ends of the drill pipe 1 along with the fan blades 52, so that the heat can flow out of the drill pipe 1 quickly, the heat generated by direct friction of the drill pipe 1 during drilling is reduced, the metal is prevented from being in a high heat loss state, the service life of the drill pipe 1 is further prolonged, water can be supplied through each water guide flow channel 6 by using water supply equipment provided in a drilling system, the liquid is introduced into the water inlet through a pressure pump on the water supply equipment, the temperature of the drill pipe 1 can be reduced quickly by discharging the water along the pipe wall of the drill pipe 1 along with the water guide cavity 63, the water is discharged out through the conical water outlet 61, the excessive cambered surface is arranged at the joint of the rotary pipe 7 and the drill pipe 1, so that the water discharged in the downward direction is subjected to diffusion type flow distribution along the excessive cambered surface, the water cooling of a drill bit can be cooled, and the ground, on the one hand, the protection of the drill bit is enhanced, and on the other hand, the speed of the drilling process is accelerated.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.