APPLICATION-SPECIFIC CONFIGURATION

Emergency Reverse-Circulation K341 Packer

Overview

A K341 expansion packer developed for staged fracturing and sand-control strings. A check mechanism retains setting pressure, while a balanced emergency reverse-circulation valve provides a contingency flow path before retrieval.

Direct ManufacturerDrawing-Based SupplyExport Support

Product Advantages

  • Setting pressure is retained after pumping stops
  • Seal loading increases with well pressure
  • Balanced emergency reverse-circulation function
  • Tubing lift shears the release pin
01 / Technical Data

Technical Specifications

Bearing Pressure (MPa)Reverse Flushing Pressure (MPa)Releasing Force (T)Setting Pressure (MPa)Outer Diameter (mm)Inner Diameter (mm)Temperature Resistance (°C)Tensile Resistance of Tools (T)
7041220-70100–22045-120120-21060
02 / Drawing

Dimensions & Interfaces

The supplied structure diagram identifies the upper connector, one-way valve, rubber sleeve, lower joint, balance valve and reverse-wash valve.

03 / Applications

Operating Applications

Used in staged fracturing and sand-control strings where loss of expansion pressure or emergency circulation must be controlled.

Manufacturing Support

Built for Controlled Oilfield Supply

YUXIN combines product engineering, machining, assembly, inspection and export coordination in Dongying, Shandong.

20+Years of industry experience
5,000+ m²Manufacturing base
40+Equipment sets
30+Core product series
Product FAQ

Before You Request a Quote

What information is needed to confirm the correct configuration?

Send the existing model or drawing, connection dimensions, operating pressure and temperature, well conditions, quantity and destination.

Can this product be manufactured from a drawing or sample?

Yes. YUXIN can review drawings and samples for material, tolerance, machining, inspection and batch-production feasibility.

Which materials and surface treatments are available?

Material and treatment options are selected around pressure, load, corrosion, wear, temperature and sour-service requirements.

How is the product inspected before shipment?

Inspection planning can include dimensional checks, material documentation, assembly review and product-specific pressure or functional testing.

Can YUXIN support distributor and project orders?

Yes. Batch supply, export packing and order documentation can be organized for distributors, service companies and project procurement.

How is final compatibility confirmed?

Website data is for preliminary selection. Final compatibility is confirmed against the approved drawing, specification and purchase requirements.

Engineering Inquiry

Send Product Requirements

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