Downhole Completion Equipment Retrievable Packers, Permanent Packers, Hydraulic,Equipment Mechanical Packers

Retrievable Packers Overview

Retrievable packers provide temporary zonal isolation and can be removed intact for reuse or repositioning. They are ideal for workovers, recompletions, and wells requiring flexibility.

Key Manufacturers & Products

Manufacturer	Headquarters	Product Examples
Baker Hughes	USA	RETRIEVA series (Models D, A, B) with bidirectional slips for high-pressure wells.
Halliburton	USA	Otis Permatrieve packer with dual slips, compatible with wireline or tubing.
SLB (Schlumberger)	USA	Retrievable packers for HP/HT and intelligent completions.
Vigor Drilling	China	VS-2 Retrievable Casing Packer with full-bore design and hydraulic slips.
ZZ TOP Oil Tools	China	RTTS packers (NACE MR0175 compliant) for H₂S environments.
Gulf Well Solutions	UAE	ACT AS1-XHP mechanical packer for versatile production applications.

Technical Specifications

Setting Methods:
- Mechanical (tension/compression)
- Hydraulic/hydrostatic pressure
- Wireline
Pressure Ratings: Up to 10,000+ psi (e.g., ZZ TOP RTTS packers).
Temperature Ratings: Suitable for H₂S environments above 175°F (80°C).
Bore Sizes: 2 3/8" to 20" casing compatibility.
Materials: Alloy steel, Inconel, and high-grade elastomers.

Key Features

Cost Efficiency: Reusable design reduces milling/rig time.
Flexibility: Enables recompletions and secondary recovery operations.
Intelligent Completions: Feedthrough options for control lines (Baker Hughes).
HP/HT Compatibility: Rated for extreme downhole conditions.

Applications

Zonal Isolation: Segregate production/injection zones.
Well Testing: Temporary isolation during drill-stem tests.
ESP Integration: Monitor/control submersible pumps via feedthrough lines.

Selection Criteria

Well Conditions: Temperature, pressure, and fluid compatibility.
Casing Size: Match packer OD to casing ID.
Retrievability: Hydraulic vs. mechanical setting trade-offs.
Standards Compliance: NACE MR0175 for sour service.

Comparison Table

Feature	Baker Hughes RETRIEVA	Halliburton Otis Permatrieve	ZZ TOP RTTS
Setting Method	Mechanical/Hydraulic	Wireline/Hydraulic	Mechanical/Hydraulic
Max Pressure	10,000+ psi	10,000+ psi	10,000 psi
H₂S Compliance	Yes	Yes	NACE MR0175
Bore Size	Customizable	Standard sizes	2 3/8" to 20"
Key Advantage	Feedthrough control lines	Wireline retrieval	Cost-effective sour service

Conclusion

Retrievable packers from Baker Hughes, Halliburton, and specialized manufacturers like ZZ TOP offer versatile solutions for temporary zonal isolation. Selection depends on well conditions, retrieval method, and compliance requirements.