CN205916939U - Rope system is arranged to well drilling wire rope bistable formula - Google Patents

Abstract

The utility model discloses a bistable type rope arrangement system for drilling steel wire ropes, which comprises a high-position rope arrangement device and a low-position rope arrangement device. The fixed end of the drilling wire rope is connected to the dead rope holder, and the other end is wound on the drum of the winch through the crown block, and the drilling wire rope from the crown block to the drawworks drum passes through the high-level rope guide and the low-level rope guide in sequence. In the device of the utility model, in a drilling rig system, the number of drawworks rope guides is designed from one to at least two, and the position of the rope guides is reasonably arranged according to the form and use requirements of different structural drilling rigs, so as to minimize or even eliminate The swinging amount of the drilling wire rope increases the stability of the drilling wire rope and ensures that it is arranged in an orderly manner on the winch drum, preventing the rope from being messed up on the winch drum and ensuring that the wire rope of the drilling rig is neatly wound.

Description

Drilling wire rope bistable rope arrangement system

technical field

The utility model belongs to the technical field of mechanical equipment, and relates to a double-stable rope arranging system for drilling steel wire ropes.

Background technique

The problem of disordered (irregularly arranged) wire ropes in oil drilling rigs when working on the winch drum has long plagued the normal operation of drilling work. Rope disorder not only affects drilling efficiency and drawworks performance, but also directly affects the life of wire ropes, and may pose a threat to equipment and personal safety at any time. For this reason, it is imminent to seriously study and solve the problem of drilling wire rope winding.

At present, oil drilling rig drilling equipment generally adopts the form of installing a rope puller above the drilling winch. This structure has the following disadvantages: 1) Due to the influence of the height of the derrick, the steel wire rope often swings and vibrates over a long distance. At this time, The effect of stabilizing and arranging ropes cannot be achieved only by relying on the single-row rope device with a relatively short distance above the winch. 2) Affected by the distance from the installation position of the drilling winch to the wellhead, especially for winches installed at low positions, the drawworks are usually far away from the wellhead, which makes the vertical deflection angle of the wire rope larger, and the gravity of the wire rope itself increases the sag of the middle part of the wire rope. As a result, the swing amount and deflection angle of the steel wire rope are significantly increased during work, and the single-row rope device cannot fully play the role of rope arrangement, and the winch is very prone to drum rope disorder.

Utility model content

The purpose of the utility model is to provide a drilling wire rope bistable rope-laying system, which solves the problem of entangled and disordered ropes in the drilling winch in the prior art.

The technical scheme adopted in the utility model is a bistable rope-releasing system for drilling steel wire ropes, including a high-position rope arranger and a low-position rope arranger. And above the winch drum, the fixed end of the drilling wire rope is connected to the dead rope holder, and the other end is wound on the drum of the winch through the crown block. Rope.

The bistable rope arrangement system for drilling steel wire rope of the utility model is also characterized in that:

The structure of the high-position rope arrangement is that it includes two symmetrically arranged fixed seats, each fixed seat is connected with a single-wheel pulley, and the ends of the suspension wire ropes bypassing the two single-wheel blocks are connected together with a connecting frame, and the connecting frame is fixed and installed. On the guide rope group support, at least two groups of roller assemblies are arranged on the front and rear ends of the guide rope group support along the rope running route.

The third pair of roller assemblies is also installed in the middle part of the guide rope group bracket, and the third pair of roller assemblies is vertically arranged with the roller assemblies at both ends.

The structure of the low-position rope rower is: including the guide sleeve assembly, in which two horizontal parallel light rods are worn, and the two ends of each horizontal parallel light rod are fixed on the drawworks or the derrick through the brackets at both ends. In addition, two longitudinal parallel light rods are worn in the guide sleeve assembly, and a pulley is respectively sleeved on the two longitudinal parallel light rods, and the rope grooves on the outer circle of the pair of pulleys are opposite to form a guide wheel group together.

The beneficial effect of the utility model is that the joint working mode of double rows of ropes is adopted, the high-position rope arranging device is installed in the middle of the derrick, and its main function is to stabilize the rope when the wire rope is working, and the low-position rope arranging device is installed on the upper part of the drilling drawworks , its main function is to play the role of rope. The two rope pullers work together to meet the effect of stable and row rope under normal drilling conditions, and ensure that the drilling wire rope is neatly wound on the drawworks drum when it is working normally. The structure is simple, the operation is convenient, and it is suitable for various types of land and offshore oil drilling rigs. It can effectively improve the working state of the drilling wire rope and improve the arrangement quality of the wire rope on the winch drum.

Compared with the prior art, the utility model has the following effects and characteristics: 1) It can effectively control the swing amount of the drilling wire rope during work, and improve the quality of the wire rope rowing. 2) It can effectively prevent the sagging of the middle part caused by the self-weight of the wire rope and the resulting increase in the angle between the wire rope and the vertical direction, ensuring that the drilling wire rope works in a straight line. 3) The two rope pullers can adopt the same structural form, which can achieve the purpose of interchange during work, and can form a backup at the same time. If one rope rower fails, normal drilling can be continued with the other rope rower. 4) The structure has strong versatility. According to the drilling rigs with different structures, the form of double-row rope winch or multi-row rope winch can be selected. 5) It can prolong the life of the drilling wire rope, reduce the drilling cost, and ensure the safety of drilling at the same time.

Description of drawings

Fig. 1 is a schematic diagram of the installation position of the utility model on the derrick;

Fig. 2 is the structural representation of the utility model embodiment 1;

Fig. 3 is a schematic structural view of Embodiment 2 of the utility model.

In the figure, 1. High-position rope extractor, 2. Low-position rope extractor, 3. Winch, 4. Base, 5. Dead rope fixer, 6. Drilling wire rope, 7. Derrick, 8. Crane, 11. Fixing seat , 12. Single-wheel pulley, 13. Suspension wire rope, 14. Connecting frame, 15. Roller assembly, 16. Guide rope group bracket, 21. Two-end bracket, 22. Horizontal parallel light rod, 23. Guide sleeve assembly, 24. longitudinal parallel feed rod, 25. guide wheel group.

detailed description

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Referring to Fig. 1, the structure of the present utility model is that it includes a high-position rope discharger 1 and a low-position rope discharger 2, the high-position rope discharger 1 is installed in the middle of the derrick 7, and the low-position rope discharger 2 is installed on the upper part of the base 4 and the drum of the winch 3 Above, the fixed end of the drilling wire rope 6 is connected to the dead rope holder 5, and the other end is wound on the drum of the drawworks 3 through the crown block 8, and the drilling wire rope 6 from the crown block 8 to the drum of the drawworks 3 passes through the high-level rope in turn device 1 and low-level rope controller 2.

When winding the steel wire rope on the drum of the winch 3, the high-position rope release device 1 limits the large swing range of the drilling wire rope 6 in the middle, and mainly plays a role in stabilizing the rope; the low-position rope release device 2 has a small swing range of the drilling wire rope 6 near the drawworks drum To be restrained, at the same time play the role of rowing rope. The position and quantity of the high-position rope arrangement 1 and the low-position rope arrangement 2 are timely adjusted and arranged reasonably according to the structure of the drilling rig and the rope arrangement on the winch site.

The structures of the high-position rope guide 1 and the low-position rope guide 2 can be set to be the same or adopt different structures, and can also be replaced by active rope guides or other forms of rope guides or rope stabilizers.

Referring to Fig. 2, the structure of the high-position rope row device 1 (embodiment 1) is to include two symmetrically arranged fixed seats 11, each fixed seat 11 is connected with a single-wheel tackle 12, and the two single-wheel tackles 12 bypass The cylinder body at the end of the suspension wire rope 13 is connected with a connecting frame 14, and the connecting frame 14 is fixedly installed on the guide rope group support 16. 15; At the same time, a third pair of roller assemblies 15 is also installed in the middle of the guide rope group bracket 16, and the third pair of roller assemblies 15 are vertically arranged with the roller assemblies 15 at both ends (so as to cooperate to clamp the drilling well from both longitudinal and lateral directions). Wire rope 6).

The working principle of the rope rower in Embodiment 1 is: two fixing seats 11 are fastened on both sides of the derrick or the base of the drilling rig through connecting pieces, the single-wheel pulley 12 is connected with the hook and ring of the fixing seats 11, and one end of the hanging wire rope 13 is connected and tightened. One end of the connecting frame 14, the other end of the suspension wire rope 13 goes around two single-wheel tackles 12 and is connected with the other end of the connecting frame 14 and tensioned. Connecting frame 14 is welded in the middle part of guide rope group support 16. The guide rope group support 16 is a welded structural part, and every pair of roller assemblies 51 contains two pulleys, and the pulleys adopt wear-resistant metal materials to make. When the rope arranging device is working, the drilling wire rope 6 passes through three pairs of rollers, collectively referred to as 5, and at the same time, the drilling wire rope 6 drives the connecting frame 4 to slide freely left and right between two groups of single-wheel tackles 2 through the three pairs of rollers, collectively referred to as 5. reachable.

With reference to Fig. 3, the structure of low-position rope row device 2 (embodiment 2) is: comprise guide sleeve assembly 23, in guide sleeve assembly 23 are worn with two horizontal parallel light rods 22, each horizontal parallel light rod 22 Both ends are fixed on the drawworks or the derrick through the brackets 21 at both ends, and two longitudinal parallel light rods 24 are additionally worn in the guide sleeve assembly 23, and a pulley is respectively set on the two longitudinal parallel light rods 24. The rope groove on the pulley outer circle is opposite, forms a guide wheel group 25 together.

The working principle of embodiment 2 rope row device is: two ends brackets 21 are fixed on the two ends on winch or derrick, two horizontal light rods 22 are connected between two end brackets 21, guide sleeve assembly 23 and horizontal parallel light rods 22 sliding contact, the guide sleeve assembly 23 can move freely along the horizontal direction of the horizontal parallel light bars 22; two longitudinal parallel light bars 24 are fixed on the guide sleeve assembly 23, and the guide wheel group 25 slides between the longitudinal parallel light bars 24 contact, a pair of pulleys of the guide wheel set 25 move freely along the longitudinal parallel light bar 24 together. When the rope rower works, the drilling wire rope 6 passes through a pair of pulley rope grooves of the guide wheel group 25, and the drilling wire rope 6 drives the guide wheel group 25 to freely slide on the two longitudinal parallel light rods 24. At the same time, the drilling wire rope 6 also The guide wheel assembly 25 and the longitudinal parallel light bars 24 drive the guide sleeve assembly 23 to slide freely on the two horizontal parallel light bars 22 to realize free movement in two directions, and the purpose of arranging the ropes can be achieved.

In the bistable rope arranging system of the utility model, in one drilling rig system, the number of drawworks arranging devices is designed from one to at least two, and the position of the arranging devices is reasonably arranged according to the form and use requirements of different structural drilling rigs, the maximum Reduce or even eliminate the swing of the drilling wire rope to a certain extent, increase the stability of the drilling wire rope and ensure that it is arranged in an orderly manner on the winch drum, completely solve the messy rope of the winch drum, and ensure that the drilling rig wire rope is neatly wound.

Claims (4)

1. a kind of drilling line bistable formula row's rope system it is characterised in that: include high-order rope winding jib (1) and low level rope winding jib (2), high-order rope winding jib (1) is arranged on the middle part of derrick (7), and low level rope winding jib (2) is arranged on base (4) top and winch (3) Above cylinder, drilling line (6) fixing end is connected on dead line anchor (5), and the other end is wrapped in winch through overhead traveling crane (8) (3) on cylinder, the drilling line (6) from overhead traveling crane (8) to winch (3) cylinder sequentially pass through high-order rope winding jib (1) and Low level rope winding jib (2).

2. drilling line bistable formula according to claim 1 row's rope system it is characterised in that: described high-order rope winding jib (1) structure is that, including two symmetrically arranged fixed seats (11), each fixed seat (11) is connected with a gin block (12) hanging steel rope (13) termination, bypassing two gin blocks (12) is connected with link (14), link (14) jointly It is fixedly mounted on conductor rope pack support (16), the upper rear and front end along fall line route of conductor rope pack support (16) is provided with least two groups Roller assembly (15).

3. drilling line bistable formula according to claim 2 row's rope system it is characterised in that: described conductor rope pack support (16) it is also equipped with the 3rd pair roller assembly (15) in the middle part of, the 3rd pair roller assembly (15) is vertical with the roller assembly (15) at two ends Setting.

4. drilling line bistable formula according to claim 1 row's rope system it is characterised in that: described low level rope winding jib (2) structure is: includes fairlead assembly (23), is installed with two horizontally-parallel feed rods (22), often in fairlead assembly (23) The two ends of individual horizontally-parallel feed rod (22) are all fixed on winch or derrick by two ends support (21), in fairlead assembly (23) In be in addition installed with two parallel longitudinal feed rods (24), this two parallel longitudinal feed rods (24) are respectively installed with a pulley, should Grooving on cylindrical to pulley relatively, forms a guide wheel group (25) together.