CN2663644Y

CN2663644Y - Salvaging cup of following drill

Info

Publication number: CN2663644Y
Application number: CN 200320126588
Authority: CN
Inventors: 杨跃波; 田鲁才; 奚广春; 杨海波
Original assignee: Daqing Petroleum Administration Bureau
Current assignee: Daqing Petroleum Administration Bureau
Priority date: 2003-12-08
Filing date: 2003-12-08
Publication date: 2004-12-15
Anticipated expiration: 2013-12-08

Abstract

The utility model relates to a salvaging cup of following drill, which solves the easy fracture of the prior salvaging cup. The utility model is characterized in that a central shaft (3) is connected under a connection head (4), two to eight strengthening ribs (2) are fixed on the central shaft (3) and an outside cylinder (1) is arranged outside the strengthening rib (2). The utility model has the advantages of fracture proof and large intensity. In the salvaging process, the sundries under the well can be salvaged into the salvaging cup at any time to avoid occurrence of accident under well.

Description

With boring fishing cup

Technical field:

The utility model relates to the used fishing tool in drilling well field, particularly with boring fishing cup.

Background technology:

In oilfield drilling, when using gear wheel or PDC drill bit, there are metal fragment, gear wheel or PDC drill teeth foreign material etc. through regular meeting in the shaft bottom; if do not remove at any time, can aggravate the damage of drill bit, therefore; need on drill bit, connect one with boring fishing cup, carry out salvaging the foreign material in the shaft bottom while creeping into, use at present with the brill fishing cup; simple in structure, diameter is φ 130mm, the axle of long 400mm; compare with drill collar; it is very weak that intensity seems, the phenomenon that fractures easily causes down-hole accident.

The utility model content:

In order to overcome the deficiency of existing fishing cup frangibility, it is a kind of with boring fishing cup that the utility model provides, and this fishing cup has the advantages that anti-fractureing and intensity is big, frangibility not in doing with driller.

The technical solution of the utility model is: a kind ofly comprises connector, below connector, is connected to axle with boring fishing cup, and an intrinsic 2-8 reinforcing rib on the axle, reinforcing rib is equipped with urceolus outward.

Above-mentioned reinforcing rib can be 4; Reinforcing rib and axle can be one.

The beneficial effect that the utlity model has is: should be connected to axle below connector with boring fishing cup owing to use, an intrinsic 2-8 reinforcing rib on the axle, reinforcing rib has increased the intensity of fishing cup, The field is best with 4 effects, and reinforcing rib is equipped with urceolus outward, and urceolus is just as a cup, along with constantly creeping into of drill bit, the foreign material in shaft bottom will be taken up certain altitude by mud, and the weight by self falls into this cup the inside then, while reached the effect of salvaging foreign material of creeping into.

Description of drawings:

Accompanying drawing 1 is a structure sectional view of the present utility model;

Accompanying drawing 2 is A-A sectional views of accompanying drawing 1.

1-urceolus among the figure, 2-reinforcing rib, 3-axle, 4-connector.

The specific embodiment:

Below in conjunction with accompanying drawing will the utility model is described in further detail:

By Fig. 1 in conjunction with shown in Figure 2, a kind ofly comprise connector 4 with boring fishing cup, below connector 4, be connected to axle 3, an intrinsic 2-8 reinforcing rib 2 on the axle 3, the reinforcing rib 2 outer urceolus 1 that are equipped with, The field is best with 4 effects, reinforcing rib 2 has increased the intensity of fishing cup, reinforcing rib 2 also can be made as one with axle 3, is equipped with urceolus 1 outside the reinforcing rib 2, and urceolus 1 is just as a cup, along with constantly creeping into of drill bit, the foreign material in shaft bottom will be taken up certain altitude by mud, and the weight by self falls into this cup the inside then, while reached the effect of salvaging foreign material of creeping into.

Use this fishing cup, in the process of drilling, directly receive drill bit top, in drilling process, can in time salvage the foreign material of down-hole in the fishing cup at any time, avoided the generation of down-hole accident.

Claims

1, a kind ofly comprise connector (4) with boring fishing cup, it is characterized in that: be connected to axle (3) below connector (4), axle (3) goes up an intrinsic 2-8 reinforcing rib (2), and reinforcing rib (2) is equipped with urceolus (1) outward.

2, according to claim 1 a kind of with boring fishing cup, it is characterized in that: reinforcing rib (2) can be 4.

3, according to claim 1 a kind of with boring fishing cup, it is characterized in that: reinforcing rib (2) can be one with axle (3).