Products
Contact Us
- Contact Person : Mr. Lily Wan
- Company Name : Puyang Donghao Mechanical & Electronic Co., Ltd
- Tel : 86-0393-8915988
- Fax : 86-0393-8915988
- Address : Henan,Puyang,Middle of Jintian Road,Puyang, Henan, P.R China
- Country/Region : China
- Zip : 457001
Agricultural Product Stock
Safety Joint
DH-AQJT Safety Joint
Application
Ensure upper string can be pick up urgently when the string stuck in the well. Feature
• Simple,Website:http://www.dhpetrotools.com, easy operate;
• Apply pressure and pull the string to release, reliable;
• With pressure relief reveal to prove release....
Reducing Joint
Reducing...
Switch Sliding Sleeve
Switch sliding...
Pressure Sliding Sleeve
DH-YCPSQ Differential Pressure Sliding SleeveApplicationApply for zonal fracturing,Website:http://www.dhpetrotools.com, acidification etc. Feature
• Differential pressure to open the sleeve.
• Adopt high strength alloy steel to bear high pressure.
• The inner surface adopt special treatment to avoid erosion.ParametersMAX O.D....
Screw Pump Torque Anchor
DH-FTM Screw Torque Anchor Application
Apply with screw pump to avoid the stator and rotor rotate. Operate instruction
• Simple,Website:http://www.dhpetrotools.com, easy operate.
• Stable anchor, easy release. ParameterCasingOD.(in)ID.(in)Length (in)Thread...
Tubing Anchor Catcher
DH-HTA Hydraulic Tubing AnchorFeature
• Hydraulic set,Website:http://www.dhpetrotools.com, pull to release.
• Bi-directional slip, stable and reliable.
• Large ID, ensure the tool pass smoothly.
• Avoid the tubing fatigue fracture. • Compact, easy maintain.ParameterCasing (in)OD. (in)ID. (in)Length (in)Temp. (℉)Pressure...
Non-metal Hydraulic Anchor
Non-metal Hydraulic...
Hydraulic Anchor
DH-SLM Hydraulic Anchor
Application
Apply for anchor the string when water-injection,Website:http://www.dhpetrotools.com, acidification, fracturing, oil test etc. to avoid string movement. Feature
• Simple, convenient.
• High strength alloy steel , high performance.
• Adopt high elasticity stainless steel spring, stable...
DH-531 Grip Anchor Retrievable Hydraulic Packer
DH-531 Retrievable Hydraulic Packer
Application
Apply for acid treatment and fracture. Features
• Can inverse well-flush when it fracturing sand plug to make sure
the packer can be released safe.
• Flexible claw ball seat ensure inner diameter.
• Self-setting cup design provide setting...
DH-453 Double Grip Permanent Hydraulic Production Packer
DH-453 Permanent Hydraulic PackerApplication：Satisfy kinds of working and the need of well completion,Website:http://www.dhpetrotools.com, widely apply for sealing plug between the layers, high pressure acidification , zonal acidification, mining and drainage & gas extraction, repair well, casing cement injection, gravel pack, etc ,process...