Perforating Guns

In the crucial phase of well completion for oil and gas wells, the perforating gun plays a vital role, acting as the “key” to unlocking the flow of oil and gas into the wellbore. Oil and gas reservoirs are buried deep underground, encased in thick casing and cement layers. The perforating gun’s task is to precisely penetrate these robust barriers, creating unobstructed perforation channels that allow the stored oil and gas to flow smoothly from the reservoir into the wellbore and ultimately be extracted to the surface. Our perforating guns embody advanced technology and exquisite craftsmanship, specifically designed to meet the demands of modern oil and gas extraction. They not only possess powerful penetrating capabilities but also precisely control the location, depth, and pore density of perforations, maximizing oil and gas extraction efficiency. Whether in onshore or offshore oil and gas fields, whether in conventional reservoirs or complex formations, our perforating guns, with their superior performance and wide applicability, become invaluable assistants in oil and gas well completion operations.

 

Key Features

• High-strength gun body, excellent pressure resistance

The perforating gun body is made of high-strength special materials and processed with precision techniques, resulting in extremely high compressive strength. Under downhole pressures reaching up to 20,000 PSI, the perforating gun maintains its structural integrity without deformation or breakage, providing reliable safety for perforation operations.

• Precise Perforation Depth and Density

Precise perforation parameters are key to improving oil and gas extraction efficiency. Our perforating guns utilize advanced control technology and precision manufacturing processes to accurately control perforation depth and density. Perforation parameters can be flexibly adjusted according to different reservoir characteristics and extraction requirements, ensuring oil and gas flow into the wellbore at optimal rates and volumes, improving well production and recovery.

• Compatible with Various Irregular Charges

To meet the needs of different geological conditions and extraction processes, the perforating guns possess excellent compatibility, adapting to various irregular charges. These charges have different explosive characteristics and penetration capabilities, allowing for the selection of the most suitable charge type based on actual conditions, achieving efficient penetration of casing and cement layers while minimizing damage to the reservoir.

• Reliable Blasting System

The blasting system is one of the core components of the perforating gun, and its reliability directly affects the success or failure of perforation operations. Our perforating guns are equipped with a rigorously tested and verified reliable blasting system, ensuring timely and stable detonation upon receiving the detonation signal, generating powerful explosive energy to complete the perforation task. Simultaneously, the blasting system also features a safety protection mechanism to effectively prevent accidental detonation and other safety accidents.

• Suitable for Multiple Well Completion Methods

With the continuous development of oil and gas extraction technology, well completion methods are becoming increasingly diversified. Our perforating guns have excellent adaptability and can be used for various well completion methods, including open-hole completion, lined completion, and perforated completion. Regardless of the completion method used, the perforating gun can accurately complete the perforation operation, creating favorable conditions for subsequent oil and gas extraction.

 

Technical Specifications

Gun Outer Diameter: Ranges from 1 11/16” to 7”, with various gun outer diameters to meet the perforation requirements of different well sizes and casing specifications. Whether for special operations in small wells or conventional extraction in large wells, a suitable perforating gun model can be found.

Gun Length: Can be customized according to the user’s actual needs. The flexible length design allows the perforating gun to adapt to different well depths and perforation lengths, providing users with more choices and convenience.

Operating Pressure: Up to 20,000 PSI, capable of withstanding extreme downhole high-pressure environments, ensuring safe and stable perforation operations even in high-pressure formations.

Operating Temperature: Up to 350°F, adaptable to high-temperature downhole environments, maintaining good performance even in high-temperature reservoirs without affecting the accuracy and reliability of perforation operations.

Standards: Compliant with API and industry standards, ensuring the perforating gun’s quality and performance reach internationally recognized levels, possessing good versatility and interchangeability, facilitating use and maintenance by users worldwide.

 

Application Areas

Oil and Gas Well Completion: In the completion phase of oil and gas wells, the perforating gun is an indispensable tool. Through precise perforation operations, it establishes a connection between the reservoir and the wellbore, laying the foundation for oil and gas extraction. Whether it’s the completion of new wells or the re-completion of old wells, the perforating gun plays a crucial role.

• In-casing perforation

For oil and gas wells with casing already installed, perforating guns can accurately perforate within the casing, penetrating the casing and cement layer to allow oil and gas to smoothly enter the wellbore. In-casing perforation is one of the common well completion methods, and the precise perforation capability of perforating guns can effectively improve oil well production and extraction efficiency.

• Onshore and offshore oil wells

Perforating guns have wide applications in both onshore and offshore oil and gas fields. In onshore oil wells, perforating guns can adapt to different geological conditions and production environments; in offshore oil wells, due to the more complex and harsh operating environment, the performance and reliability requirements of perforating guns are higher, and our perforating guns, with their superior performance, can meet the needs of offshore oil well perforation operations.

 

Product types and specifications：

Conventional perforating guns Technical parameter

Gun O.D.	89，102，114，127
Gun length	1，2，3，4，5，6
Shot density	13，16，20，32，36，40
Phase angle	60°，72°，90°，120°，45°/135°，30°/150°
Max. pressure resistance	105，140，175
Max. temperature	150℃，180℃，210℃
Bullet model	YD89,YD102,YD127,DQ114
Bullet arrangement	Right hand
Conveying method	Tubing conveyed & cable conveyed
Firing method	Detonating bar & annulus pressure firing

 

  Annulus negative pressure perforating device Technical parameter

Product Name	Thread Sizes	O.D, mm	I.D, mm	Temp.℃	Pressure MPa
Pressure converter	2 7/8TBG.B×2 3/8UP.TBG.P	93		150	100
Hydraulic negative pressure valve	2 3/8UP TBG.B×P	89		150	100
Screen pipe transmitting pressure device	2 3/8UP TBG.B×P	89		150	100
Larger-bore sealed absorber	2 3/8UP TBG.B×P	100	47	150	100
Pressure differential firing head	2 3/8UP TBG.B×T2 7/8-6ACME.B	86		150	100
Internal pressure firing head	2 3/8UP TBG.B×T3 1/16-6ACME.P	89		150	100

 

 Mechanical perforating device  Technical parameter

Product Name	Thread Sizes	O.D, mm	I.D, mm	Temp.℃	Pressure MPa
95 mechanical firing head	2 3/8UP TBG.B×T2 7/8-6ACME.B	95	34	150	100
2 7/8 firing head	2 3/8UP TBG.B×T2 7/8-6ACME.P	89	34	150	100

 

Full bore perforating gun Technical parameter

Name	Specification for horizontal well perforating	Full bore perforating gun
Gun O.D. mm	89、102 、114、127	89、102、114、127
Length, m	1、 2、 3、 4、5	1、 2、 3、 4、5
Shot density/m	12~16	16~20
Phase angle, α	90°、120°、150°、170°、180°	60°、90°
Pressure resistance , MPa	105、 140	105 、140
Max. temperature, ℃	150 、180、210	150
Bullet type	Series bullet specification	Max. drift diameter≥60mm
Conveying method	Tubing conveyed	Tubing conveyed
Firing method	Hydraulic detonating	Detonating bar

 

Compound perforating gun Technical parameter

Gun O.D., mm	89、102 、114、127
Length, m	1、 2、 3、 4、5
Shot density/m	13、16
Phase angle, α	60°、 90°
Pressure Class,  MPa	85、105
Max. temperature, ℃	150、180、210
Conveying method	Tubing or cable conveyed
Firing method	Pressure firing or Detonating bar

Our perforating guns, with their excellent performance, reliable quality, and wide range of applications, are the ideal choice for oil and gas well completion operations. If you are interested in our products, please feel free to contact us. We will be happy to provide you with more detailed information and excellent service.