SU427138A1 - INSTALLATION FOR RECEPTION, ACCUMULATION AND EXTRACTION OF WELL PIPES IN HORIZONTAL POSITION WHILE CARRYING OUT OF LIFT OPERATIONS12 - Google Patents

Description

The invention relates to downhole co-lifting operations in drilling and underground repair of oil and gas wells.

A known installation for receiving, accumulating and dispensing borehole pipes in a horizontal position during lifting operations, comprising tubes for receiving pipes located on a support base and a feeding mechanism for transporting pipes to and from the magazine.

However, the known installation is complex in design, and its store has a limited capacity.

The proposed installation differs from И31 known in that the magazine is made in the form of several shelves located one above the other, where the bottom is adjacent to the feed mechanism, while on the side of the ends of the disposable shelves fixed cutters ensure the sequential passage of pipes from the adjacent shelf to the upper shelf when loading the store and from the positioning of the feeder 1 mechanism when unloading the store. This simplifies the installation design and increases its capacity.

It is advisable that the store has two sections of shelves placed at some distance from one another. Store shelves

can be tilted towards the feeder.

FIG. 1 shows the proposed installation, plan view; in fig. 2 - installation of the Matasia pipe in the process of loading; in fig. 3 is a section along A-A in FIG. 2; in fig. 4 - installation in the process of issuing well pipes from the store; FIG. 5 shows the node I in FIG. 2

The installation has a base A which can be made in the form of a rigid welded structure mounted on a skid x, wheels, tracks, etc. Pa base /

the magazine 2 is mounted in the form of two sections 3 and 4, containing inclined shelves 5, above it is a height limiter 7 above the lower shelf 6. Each shelf consists of a series of pipes S, fixed in one fixed

end to carrier 9 and auxiliary 10 ste / iki.

To the lower shelf 6, secured to the base}, a stand is attached, on which the guide cutter 12 can be mounted (Fig. 5). The well-spaced shelves of the magazine can be equipped with locking cutters 13 (Fig. 2), with each section 3 and 4 of the spabjep shop having an auxiliary shelf 14 with built-in

movable (with screws) cutters 15 - (Fig. 2 and 4). The number of shelves depends on the required capacity of the store.

On the base / mounted screw feed mechanism 16, which includes the engine 17, the gearbox 18, the chain drive 19 and a pair of pins 20 and 21, having a constant step of winding the coils. On the base / there is also a chute 22 serving to receive the pipe from the axis of the borehole. In the working position, the axial line of the chute 22 must pass through the center of the wellhead (Fig. 1). A roll 23 is installed between the chute 22 and the augers 20 and 21, representing fixed sections and base 1 of pipe sections on which rotary flags 24 are installed. If necessary, the installation can be equipped with backup racks 25 (Fig. 1 and 4) for pipe laying .

The installation works as follows.

When pipes 26 are lifted from the well, they are transferred in a known manner to a horizontal position. In the course of this transfer, the pipe 26 (Fig. 2) retracts the pivot flags 24 to the side, thus ensuring unimpeded passage of the pipes along the chute 22. After laying the pipe into the chute 22, it is placed on top of the rotary flags 24 and, under the influence of the own weight, rolls down the slopes 23 The screws 20 and 21. When the feed mechanism 16 is turned on, the screws 20 and 21 rotate one turn, as a result of which the pipes move progressively towards the magazine 2-under the height limiter 7. Following this, the same operation is repeated when the next pipe 26 is lifted from the well before filling all the turns of the screws 20 and 21 with pipes.

Upon further extraction of the pipes from the well, the pipes are forcibly forced out of the screws to the lower shelf 6. After it is filled, the pipes are forced out onto the lined shelf 5, for which the cutter 12 is set in position a (Fig. 5V) The cutter 15 is in the position preventing the tubes from rolling back onto screws 20 and 21. / After filling the second shelf from the bottom, it is locked with a slam-shutter 13. With further supply of the tubes to screws 20 and 21, similarly, the vyprasplozhennyh shelves are loaded; therefore, it moves to position b, c, etc.

When lowering the pipe 26 into the well, the installation operates in reverse order. To do this, the pivot points 24 are removed, the screws 20 and 21 turn in the opposite direction, unloading the magazine successively from the bottom up. The cutters 15 are retracted to the position shown in FIG. four.

The pipes 26 enter the chute 22, from which they are transferred to the vertical position and are lowered into the well.

The proposed installation is simple in design and in operation and makes it possible to mechanize the process of pipe laying during the operation of the slide-in operators.

Subject invention

Claims (3)

1. Installation for receiving, accumulating and dispensing well pipes in horizontal position when carrying out hoisting operations, containing a magazine for receiving pipes and a feeding mechanism for transporting pipes to the shop and back, located on the supporting base, in order to simplify the installation design and increase its capacity, the shop is made in the form of several shelves located one above the other, where the bottom is adjacent to the feeder, while The sides of the ends of the laid out shelves are fixed cut-offs, which ensure the sequential passage of the pipes from the lower shelf and laid out when loading the store and from upstream to the feed mechanism when unloading the store. 2. Installation under item 1, characterized in that the store has two sections of shelves, spaced at some distance one from other. , 3. Installation on PP. 1 and 2, characterized in that the shelves of the store are inclined towards the feeding mechanism. //. i2 Compiled by L. Sveshnikov Tehred V. Rybakova Editor S. Titov Order 1734/467 TSIIIP Proofreader I. Simkin Ed. No. 791 Circulation 565 Subscription of the State Committee of the USSR Council of Ministers on Inventions and Discoveries 4/5 Tin, Rausk nab. 4/5 Moscow. Khark. Phil. before "Patent J 2 ,, il W W 1. 21423 25 2 uz i