Product Usage
In terms of the setting and unsealing method of K344 steel frame packer, there is no need for mechanical movement during the working process. Therefore, operating tools in horizontal and inclined wells have advantages. Construction techniques such as layered water injection, layered acidification, layered plugging, layered fracturing, and drag fracturing applied in oil fields.
Structure and working principle
The K344 steel skeleton packer consists of six parts: a lower joint, a floating head, a rubber cylinder, a central pipe, an inlet hole, and an upper joint. The rubber cylinder is a three-layer structural rubber cylinder with a high elasticity and high-strength stainless steel strip as the skeleton layer.
The K344 steel skeleton packer is a hydraulic expansion type packer, which is suspended and fixed, hydraulic seated, and hydraulic unsealed. Seal the annular space of oil and casing by expanding outward with the rubber cylinder.
main features
The expansion coefficient is large, and using a small diameter rubber cylinder can seal the large diameter wellbore. The 70mm packer was used in a 7-inch casing with a failure pressure of 28MPa.
High temperature resistance level: 125 ℃~150 ℃, special requirements can reach 180 ℃.
The pressure difference is large, and the working pressure can reach 70MPa, with a maximum pressure of 85MPa.
Small residual deformation.
Strong adaptability to wellbore and can be used in process measures for casing deformation wells and open hole wells.
High strength, reusable (referring to bottom testing, drag fracturing).
Special sand control design, with a filtration accuracy of 01-0.02mm, making it safer and more reliable to use. It is less likely to cause unexpected situations such as sand jamming during later operation and construction.
