FR2590622A1 - APPARATUS FOR PERFORMING MULTI-PIPE WORK - Google Patents

Abstract

The invention relates to a multi-line controlled work apparatus for use in a well line having a body 36 connected to a plurality of control lines 34 to perform a plurality of functions. A plurality of propulsion devices are connected to the control lines to move the lines and the body in the line. An anchor 38 on the body actuated by the control lines 34 releasably holds the body 36 in the line 18. A work control device 70, 72 connected to the body and actuated from the control lines performs work in the line. . The work can consist of longitudinal movements 70 or rotational movements 80. The apparatus performs various types of downhole operations in a well. (CF DRAWING IN BOPI)

Description

j / 2590622

APPARATUS FOR PERFORMING WORK

A MULTIPLE PIPES

  Work completed in well completions

  oil and gas and / or in the operations of complete

  typically use a conventional TFL venting system or a vertical cable entry system that requires a floating

  fixed structure. The work includes the completion, the net-

  cleaning, testing and other normal work associated with

  the use of downhole equipment. However, these

  Classic classics all present problems.

  In the evacuation systems used in downhole wells, two rows of production columns are

  necessary, or a communication between the column of pro-

  ducting and the annular space requiring a downhole device to be opened and closed remotely to allow communication. These communication devices and multiple oars restrict the recognition of hydrocarbon deposits because of the economic impact. The complexity of these completions reduces the security of the system

  global because everything is needed in duplicate.

  A vertical entry system with only one

  conduct alone allows the recognition of a larger

  hydrocarbon deposits by improving the profitability of

  completion while at the same time providing superior security

  re. The ideal completion would provide maximum economy, safety and minimal problems

  operational. Completions of platforms or sub-projects

  rines with a single well pipe appear optimal. The submarine well must have an entrance

  vertical to use the present invention.

  The present invention relates to a maintenance device for all types of wells in an economical and safe manner. The present invention also relates to a

  Safe and safe alternative to

  Conventional design, such as picking in single-entry, vertical-entry wells where cable-working techniques were unsuccessful, or reinforcement of evacuation operations as a second process for carrying out work after the first technique did not succeed. The present invention relates to an apparatus for

  work carried out by a plurality of channels

  orders, who is able to get on and off

  dre in a well pipe to perform various completion and completion functions in a well of

oil and / or gas.

  The subject of the present invention is a device for carrying out works operating with multiple pipes that can be used in a well pipe, comprising

  a body that can be moved in the pipe and a

  of control lines connected to the body to replace

  fold a plurality of functions. One or more devices are connected to the control lines to move the pipes and the body in a well pipe. of the

  anchoring devices are provided in the body and are

  from the control lines to maintain

  the body attached to the well pipe and a construction device is connected to the body and

  from the control lines to carry out the

worth in driving.

  The present invention also relates to a device

  device for moving the pipes in the body from one end of the pipe to the other which includes a device

  propulsion system acting against the inside of the pipe.

  The present invention further relates to a device

  implementation of works which includes a

  longitudinal movements and / or a device

  tif realization of rotational movements.

  The present invention also relates to

  control lines which are hydraulic pipes

c.

  Another subject of the present invention is a

  Positive sealing, located on the body, actuated from the control lines, intended to seal the inside of the pipe.

  The present invention also relates to an application

  such work carried out by canalisa-

  A plurality of multi-functional, usable in a well pipe, comprising a body with a plurality of hydraulic control lines connected to the body for performing a plurality of functions. Preferably, the control lines are pairs of hydraulic lines. A

  plurality of propulsion devices is connected to

  Control arrangements for moving the pipelines in the body through a well pipe and detachable anchoring devices are provided in the body, operated from one of the control lines to releasably maintain the body in the well. Cylinder piston devices are provided in the body, actuated from one of the control lines to effect

  Longitudinal work movements in the pipe.

  Other objects, features and advantages

  will be read on reading the following description of a

  presently preferred embodiment of the invention, given to

  as an example and on examining the corresponding appended drawings.

  Figure 1 is a schematic elevational view

  a bottom well system controlled from the surface.

  FIG. 2 is an enlarged view in elevation, in partial longitudinal section, illustrating a type of

  propulsion usable in the present invention.

  FIGS. 3A and 3B are continuations of one another and are elevational views, in partial longitudinal section, illustrating a type of apparatus for realizing

  multi-line work according to the present invention.

  If we now refer to the drawings, and in particular

  Particularly in Figure 1, reference numeral 10 generally indicates a bottom-bottom system controlled from the surface, shown here as a marine system, for illustrative purposes only, since the present invention is applicable to terrestrial systems.

  The system 10 includes a feed platform

  tion, indicated globally by the numerical reference

  11, from which one or more pipes or

  picks 12 and 14 go down towards a

  submarine well indicated globally by the numerical reference

  16, comprising a well pipe leading to a production zone 20. The pipe 18 comprises various

  types of well equipment such as seals

  conventional well tee 22 which can be of any type

  such as Camco Type HSP, a side pocket mandrel

  ral 24 such as Camco Type KBM and a safety valve

  conventional 26 such as Camco Type TRDP. The different teams

  Wells 22, 24 and 26, as well as other types of

  equipment, may require actuation by

  an apparatus for carrying out work suitable for

read different operations.

  The conventional method for carrying out operations of

  Completion and / or completeness is the use of

  an evacuation system which, in the system 10, would require additional channeling from the platform 11, in communication with the conduit 18 or, in the case of a typical cable-work unit, would require have a rig on platform 11 or a

  boat for work of completely.

  The subject of the present invention is a multi-pipe-controlled construction apparatus indicated overall by numeral 30, which is

  able to perform various completion / com-

  at the bottom, in the pipe 18, and which moves in the pipes 12 and 18 by means of one or more multiple propulsion units, indicated generally by the numeral 32, which are connected to an apparatus 30 or to a beam multiple control lines 34 which is connected to the apparatus 30 to fulfill a plurality of functions. The construction apparatus 30 can thus move in the well pipe and be actuated by the pipe bundle 34 to provide a wide variety of

  operations without the assistance of a seagoing ship.

  rage or boat completely, or without additional parallel conduct as in evacuation operations. Referring now to FIGS. 3A and 3B, an enlarged representation of the apparatus for performing work moving in a well pipe 18 and connected to a bundle of multiple lines is best seen.

  34 which consists of a plurality of channels

  related to the device 30 pc to control the device 30.

  The apparatus 30 comprises a body 36 and preferably a suitable anchoring device in the body 36 which is

  operated by means of one or more

  in the bundle of multiple lines 34. By

  For example, slides 38 are formed on the body 36.

  The slides 38 act in collaboration with a surface

  this conical 40 located on the body 36 and a conical surface 42 located on a piston element 44. When applying a

  hydraulic fluid in one of the pipes, such as the

  wherein the piston member 44 moves toward the sliders 38 engaging the interior of the pipe 18 to releasably maintain the body 36 in the well 18. The slides can be released by decompressing line 46 and pressurizing line 50 and

  an orifice 52 acting on a piston 54 which is connected to the

  piston element 44. The application of hydraulic pressure

  that against the piston 54 moves the piston member 44 downwards by retracting the slides 38. Although the disposir

  The anchoring anchor described has been shown in the form of

  other types of anchoring or holding devices such as cleats or keys which can be engaged in a notch situated in the pipe 18,

  in order to anchor the control tool 30 to the wall of the con-

  pick 18 to perform background operations.

  In some operations it is desirable to

  seal the hole in the pipe with an element of

  suitable sealing. Accordingly, the tool 30 includes a packing member 56 mounted on the body 36 and abutting on a fixed shoulder 58 at one end and a movable shoulder 60 at a second end. One of the control lines is provided in communication with a piston 62 which is connected to the movable shoulder 60 to compress the sealing member 56 outwardly so as to provide a sealed contact with the interior of the pipe wall 18. An unlocking control pipe 64 is connected, through an orifice 66, to the second side of the piston 62, in order to retract the movable shoulder 60 and to release the force

  defined on the sealing element 56.

  Many types of operations in a deep well

  require a longitudinal work movement. Therefore

  In this case, a body accessory can be provided in the body 36

  it is like an axially extending mandrel 70 intended for ef-

  move longitudinally downward and upward, and connected to a piston 72. One side of the piston is connected to an orifice 74 and the second side of the piston is connected

  at an orifice 76, each of which is connected to one of the

  beam control 34 to move longitudinally.

  Finally a mandrel or tool attachment 70 up or down. FIG. 3B shows a tool 78, such as a paraffin cutter, for paraffin cutting and removing it from the well pipe 18 when given a

  longitudinal back and forth motion. Although the tool

  especial- ly represented as a paraffin scraper, other types of tools can be used to carry out longitudinal operations such as moving a sheath, pumping sand, changing gas extraction valves, locking

  safety valves, pulling and mounting locks,

  cash and flows. In addition, there are many

  types of operations that can be carried out in a deep well and that are based on a device for carrying out

  works providing longitudinal movement.

  In the case where a rotational movement is necessary

  To perform certain operations, the rotation of the tool holder can be provided by a rotary motor such as

  a vane motor 80 having a first side 82 in communication with

  cation with one of the control lines and a second

  my side 84 in communication with a second control pipe in the beam 34. Therefore, the apparatus for performing the work can be generally used to perform any kind of background work currently performed with an evacuation, a pipe for fines,

  more numerous additional operations due to the

  plesse of its operation up, down and in rotation, without requiring the assistance of any type of mechanism on the surface. Basically, repackaging and completion operations can be performed

in the down hole.

  The present apparatus can also be used to perform stimulation work while preventing highly toxic and corrosive fluids from coming into contact

  of driving the well in unwanted places. In addition

  terms, fluids such as fluorescent acid can be

  hydrogen or hydrochloric acid through one of the control lines through the apparatus 30 and in the formation 20 and prevent them from rising through the pipe 18 by means of

  the sealing member 56 when actuated.

  Although the present invention has been described

  the control lines and the multiple pipe bundle 34 as hydraulic pipes, these pipes could, in yariante, be

  power lines, operating electrical components

  to provide the functions of carrying out the work

desired in a bottom well.

  Although we can use different kinds

  of propulsion units 32 to move the beam of

  orders 34 and the production apparatus of the

  30 along the interior of well pipes, a

  type of unit 32 is better represented in FIG.

  tee 32 comprises a body 90 supporting a first slide 92 and a second slide 94 which act together,

  respectively, with diverting bevels 96 and 98

  by a piston. The first spring 100 and the second spring 102 act to force the slips 92 and 94 on, respectively, the deflecting surfaces of the bevels 96 and 98. The actuation of the pistons 96 and 98 is provided by the hydraulic control lines 104 and 106. ,

  respectively. Thus, the hydraulic fluid of the canalisa-

  104 will move the piston 96 forward and the spring

  106 will follow with slide 92. A relaxation of the pressure

  fluid flow in 104 and the application of a hy-

  in 106 will act on the second end of the piston.

  96 to hold it in place, while a pressure is applied to the piston 98 to advance it and allow the spring 102 to move the slides 94 to press them on the deflection surface of the bevel 98 causing the

  body 90 forward. The fluid pressure is then

  dropped into line 106 and applied again in

  the pipe 104 to continue the movement. The inverted

  meaning of the propulsion unit 32 requires a mechanism

  dualism operating in the opposite direction. The unit of pro-

  described drive will move in stages and will have

  clamping force and will be able to move large loads. However, other types of propulsion units such as wheels or hydraulic evacuation may be used. The present invention is therefore well suited to achieve the objects and achieve the goals and benefits

  mentioned, as well as others inherent in this

  vention. Although a preferred embodiment of the present invention has been given by way of illustration, many modifications to the construction details and the arrangement of the parts will be readily available to those skilled in the art, and these are encompassed in the spirit of

  the invention and in the context of the appended claims.

R E V E N D IC AT ION S

  A multi-pipe-operated work implement for use in a well pipe comprising: a body (36) adapted to be moved in the conduit (18); a plurality of control lines (34) connected to the body for perform a plurality of functions,

  a device (32) connected to the control lines (34) for de-

  placing the pipes and the said body in a well pipe (18), an anchoring device (38) in the body actuated from the said control lines for holding the body in the well pipe, a device for carrying out works (70,78) connected with the body and

  actuated from the control lines to achieve

  the work in the pipe, and said device (32) for moving the pipes (34) and the

  body (36) in the duct (18) comprising a propulsion device

  acting against the inside of the pipe (18).

  2. Apparatus according to claim 1, wherein

  the procedure for carrying out the work includes a

  sitive (70) for making longitudinal movements.

  3.- A multi-pipe-operated workout apparatus operable in a well pipe comprising, a body (36) adapted to be moved in the conduit (18), a plurality of control lines (34) connected to a body for filling a plurality of functions

  device (32) connected to the control lines (34) for de-

  place the pipes and said body (36) in a

  shaft (18), an anchoring device (38) in the body actuated from said control lines (34) for holding the body (36) in the well pipe (18), a working device ( 70, 78, 80) connected to the body and

  actuated from the control lines to achieve

work in driving, and

  in which the device for carrying out the work

  takes a device (80) to perform a rotational movement. 4. Apparatus according to claim 3, wherein

  the procedure for carrying out the work includes a

  sitive (80) for carrying out rotational movements.

  5 .-- Multi-pipe controlled embodiment apparatus for use in a well pipe comprising a body (36),

  a plurality of hydraulic control lines (34)

  connected to the body to fill a plurality of functions, a plurality of devices (32) connected to the control ducts (34) moving the ducts and said body (36) in a well pipe (18),

  a releasable anchoring device (38) located in the body,

  provided from said control lines (34) for releasably maintaining the body in the well pipe, a double-acting piston and cylinder device (70,72) located in the body and actuated from the control lines. (34) for making longitudinal work movements in the pipe, and a rotating work device (80) connected to the body (36) and actuated from the control lines

  to realize in the driving a work of rotation.

  6.- multi-pipe controlled work apparatus for use in a well pipe comprising a body (36),

  a plurality of hydraulic control lines (34)

  connected to the body for filling a plurality of functions, a plurality of devices (32) connected to the control lines for moving the pipes (34) and said body (36) in a well pipe (18), a releasable anchoring device ( 38) located in the body actuated from said control lines (34) to releasably maintain the body in the well pipe, a piston and double-acting cylinder device (70,72) located

  in the body and actuated from the lines of com

  mande (34) for performing longitudinal work movements in the pipe, and

  a sealing device (56) releasable on the body ac-

  from the so-called control lines for

  seal the inside of the pipe.