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  • السبت، 5 نوفمبر 2016

    Maintenance and repair of oil wells

    Given the rapid development of the oil industry, which is accompanied by a huge development in the specialty repair wells has happened both in the conduct of these operations or in devices and equipment used techniques where multiple reform excavators emerged advantages also featured other advanced equipment repair.


    Reform processes play an important and significant role in the continuity of the work of the wells are divided into three main types:

    1. Partial reform processes:
    Intended to work carried out on wells without affecting the classes are limited to producing only in production equipment used in the well include the following operations:
    -Amendment groundwater pump:
    It is altered groundwater pumps in the event of a partial or total failure in the pump which leads to low productivity of the well or the lack of entirely (fault-valve piston-cylinder ......)
    -Switch production Pipes:
    Pipes are switched production wells operating in the mechanical production in a way because of her winning corrosion which leads to the occurrence of smuggling oil production of pipes to the annular vacuum which reduces the productivity of the well or the lack of entirely.
    -Alonker switch:
    It is switched Alonker "seat the pump" in the absence of Aazleth "refraction ring Alonker during calibration or the fall of the rails."
    -Catching pumping rods or replaced:
    The switch bars pumping wells downloaded in part or in full.
    -Deepening or raising the groundwater pump in part:
    Deepening the pump: sometimes fall payoff work underground pumps through investment Well period due to lower class pressures in the layers produced which leads to a decrease in the fluid dynamic level and as a result it gets liberalization of gas in the work of the pump, "the depth of installation of the pump is less than the depth corresponding to the pressure saturation" zone.
    -Operations raise and lower rotational pump:
    To raise the rotary pump: it is according to the following steps:
    Decoding and raise the surface after the power supply season.
    Lifting the rails and the mobile router.
    Lifting pipes fixed and rotary portion of the pump.
    Switch malfunctioning parts or complete replacement.
    Take down the rotary pump: are according to the following steps:
    Stadtor take down the pump with pipes.
    Landing router with the pump.
    Calibration rotary pump and put it to work.
    Installation surface section and a Plug and Play well.
    -Switching the tree:
    With the continuation of work on the well and after several years some erosions appear in the valves trees producing wells self-making process of closing these valves partially or completely almost impossible, which calls for full or switch some key valves switch the tree, and switch the tree we killing the well appropriate fluid and control the pressure at the top the well and switching valves malfunctioning whole or in part and the development of new valves alternative by then the revival of the well again and put it to production.
    -Catching the falling production of pipes in the well:
    The fall of the production of the pipes occur during lifting and landings.
    -Catching intractable production of pipes in the well.

    2.amilit full reform:
    Means the complete works carried out on producing wells so that these actions affect the class produced directly and change of characteristics Alkhoznip and better working conditions, this reform several Some include applied operations in the Syrian fields and others are implemented so we will review briefly the various full reform processes and detailed reform processes Aljbsh applied in the fields of Directorate:
    Insulation operations include:
    - Partial insulation of the field of the product.
    - Full insulation of the field of the product.
    - Selective isolation of the area of ​​the product.
    Pipe repair fractures packaging operations.
    Improvements include:
    - Acidification.
    - Hydraulic Crusted.
    Perforating wells.
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