BESER High-Pressure String Repair Technology

n  Technical Introduction

    BESER high-pressure string repair technology employs a curable liquid gel to form a chemical rubber plug within the wellbore, effectively sealing leakage points or damaged sections. Its low viscosity allows easy penetration into micropores and large pores, solidifying within the annulus, fractures, or casing damage to withstand high pressure in the wellbore.

n  Technical Features

    ( 1 ) Exhibits strong cementation performance and compressive strength post-curing.

    ( 2 ) Maintains good fluidity without hindering pumping operations.

    ( 3 ) Possesses elasticity, toughness, and expansion capabilities post-curing.

    ( 4 ) Ensures long-term effectiveness and resistance to degradation or dissolution after curing.

n  Application

    BESER plugging technology has found successful applications in various oilfields, including those operated by CNOOC and Sinopec. It has proven effective in cementing abandoned offshore wells, sealing annular pressures in casing, and providing flexible and gas-tight solutions for emergency coiled tubing repairs.