SU564416A1 - Supporting device for suspending thermodrill - Google Patents

Description

154) SUPPORT DEVICE FOR SUSPENSION OF A THERMAL GRAIN

one

The invention can be used in a well bore under conditions of complex terrain, for example, in mountains.

Tripods with telescopic supports for thermal drills for firing wells in difficult terrain are known, at the top of the tripods there is a block with a cable for suspension of a thermal drill j.lj.

However, the use of such tripods does not ensure the production of a straight borehole as a result of the effect of thermal drills on the supply hoses and wind loads that cause swaying and deflection of the thermal drill.

It is also known supporting device for the suspension of a thermoburder, made in the form of a tripod with telescopic supports, in the upper part of which a block for the suspension of a thermobore C2 is fixed,

The chain of the invention is the prevention of the distortion of a drilled well.

This goal is achieved due to the fact that in the lower part of the support there are mounted gorieon-talny telescopic rods carrying

at the retractable end there are vertical segmented elements that, at their junction with one another, form a tubular guide for moving the thermal drill.

The rods can be articulated with the supports by means of 1 removable locks and vertical extensions and can be interconnected by horizontal stretching.

FIG. 1 shows the proposed support device; in fig. 2 - section A-A of FIG. one.

The support fixture contains three telescopic supports 1, hinged together in the upper part, where the block 2 is fixed with a cable 3 thrown over it, to the end of which a thermal drill is suspended

four.

On the fins 1 in the lower part, using removable locks 5, horizontal telescopic rods 6 are mounted, carrying 7 segment elements 8 at their retractable ends. The latter, when abutting one another, when the rods 7 of rods 6 are extended, form a tubular guide 9 for a passage thermal drill 4.

In order to impart the entire system to the body-mounted rod 6, they are additionally articulated with 1 by means of vertical extensions with removable locks 11 and 12 and connected veins between themselves with horizontal stretches 13 Fig. 2). The fixing of the sliding ends 7 at a predetermined length is carried out by a bolt 14. Segment elements 8 | forming tubular guide 9, have doTTi bje locks 15 for rigid interconnection.

The preparation of the support for the suspension of the thermal jig 4 is prepared as follows.

Telesxical supports 1 with a cable passed through block 2 (3 are set to the required height. After that, a thermal drill 4 is suspended to the cable 3, which is centered along the well axis by moving the supports 1. Moving the locks 5, 11 and 12 and stretching 10 horizontal telescopic bars 6 are oriented by the segment elements S in a predetermined direction so that they adjoin one side to the other, forming a tubular guide 9. In this position, the locks Sj 11 and 12 and the retractable ends 7 of the rods 6 are fixed with bolts. Ki 13 also are secured by bolts, and the segmental elements 8 locks 15.

Due to such an implementation, the proposed support tool permits to drill both vertical and tilt wells with a thermal drill, eliminating the lateral displacement of the thermal drill and the curvature of the well bore.

Claims (2)

1. Supporting device for a thermal jig suspension, made in the form of a tripod with telescopic supports, in the upper part of which a block for a thermal jig suspension is fixed, characterized in that, to prevent rotation of the borehole curvature, horizontal telescopic rods are mounted in the lower part of the supports; at the end of the advances are vertical segmental elements that form one to another tubular guide for moving a thermal drill. 2. An apparatus according to claim 1, characterized in that the rods are articulated with the supports by means of removable locks and vertical stretches and are interconnected by horizontal stretches. Sources of information taken into account in the examination: 1. Authors certificate of the USSR. Xfe 216572, cl. Е 21 С 21 / ОО, 1965 2. Shamshev F. A, Technique of exploration drilling, L., Nedra, 1971, p. 29. // xSx / C 5w v / 6S X.N. FIG. one L; - //.:-: // - / -. 5bF11b.