01
Big Hole Shaped Charges (BH Charges) of the H-1 Perforating Gun System
Material
BH charges utilize better steel alloys within the housing that will be resistant to abusive temperatures and pressures within the ground. The detonation of the explosive charge will be such that it will deposit behind it strong and useful perforation. The explosive charge has been specifically manufactured such that it will be released gradually and in a controlled manner that will deposit large and correctly sized openings behind it. The rugged use of the materials will enable BH charges to be operational within abusive environments with the highest productivity and minimal likelihood of failing.
Specifications
• Diameter: Custom-designed specifically with the H-1 Perforating Gun System with a particular bore diameter.
• Length: Optimized for highest energy transfer and efficiency at detonation.
• Explosive Composition: Design specifically to produce tremendous energy output during the formation of large cavities.
• Energy Release: Severe energy release to enlarge large openings and enhance wellbore flow and output.
• Pressure Resistance: Designing for operation in the highest downhole pressure environments with no degradation of performance.
• Tensile Strength: Provides strength to the charge during the perforation operation.
• Compatibility: Perfectly compatible with the H-1 Perforating Gun System with smooth operation and reproducible results
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Shaped Charge Information |
API Performance of Shaped Charges |
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Gun OD (in) [mm] |
Type |
Explosive Weight (g) |
Explosive Type |
Tested Gun OD (in) [mm] |
Shot Density (spf) [spm] | Phasing |
Casing OD (in) [mm] |
Entry Hole (in) [mm] |
Penetration (in) [cm] |
Data Type |
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Shaped Charges for the H-1 Perforating System |
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|
2-3/4 [70] |
Big Hole Charge |
15.0 |
RDX |
2-3/4 [70] |
6 [20] | 60° |
4-1/2 [114] |
0.72 [18.29] |
4.67 [11.86] |
API RP-43 |
|
3-1/8 [79] |
Big Hole Charge |
22.7 |
RDX |
3-3/8 [86] |
6 [20] | 60° |
4-1/2 [114] |
0.70 [17.78] |
6.18 [15.70] |
API RP-43 |
|
Big Hole Charge |
22.0 |
RDX |
3-1/8 [79] |
6 [20] | 60° |
4-1/2 [114] |
0.68 [17] |
7.10 [18.03] |
API RP 19B |
|
|
3-3/8 [86] |
Big Hole Charge |
22.7 |
RDX |
3-3/8 [86] |
6 [20] | 60° |
4-1/2 [114] |
0.70 [17.78] |
6.18 [15.70] |
API RP-43 |
|
Big Hole Charge |
22.7 |
RDX |
3-1/8 [79] |
6 [20] | 60° |
4-1/2 [114] |
0.68 [17] |
7.10 [18.03] |
API RP 19B |
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| API results listed above are based on tests of conventional shaped charges | |||||||||
Production Processes
The manufacturing of BH charges involves a highly regulated process in order to maximize precision and consistency. The charge casing starts with the use of good-quality steel alloys that offer strength and longevity. The next step involves the loading of the charge with the use of the latest techniques in a manner that ensures uniform placement of the charge. The charge composition is such that each detonation results in a large and constant hole with minimal variation.
Once the charge casing has been filled with the charge material, the charge mixture goes through a curing that stabilizes the mixture and maintains consistency in the long term. The charge goes through careful machining after curing to be within certain dimension standards. The charge goes through strict checks of quality within the standards of performance and safety once it has been subjected to thorough testing and last shipping preparation.
Quality Test & Inspection
Every BH charge has a strict testing and examining system in place that ensures it attains the highest standards of performance and safety:
• Dimensional Precision: Constructing each charge perfectly fitted the H-1 Perforating Gun.
• Detonation Testing: Confirming that the charge has a regular output of energy and yields large and accurate hole development.
• Pressure Resistance Testing: Simulating downhole pressure to ensure that the charge can withstand harsh conditions.
• Safety Certification: The charges are subjected to world standards of the explosive substance safety.
• Performance Evaluation: The charge is assessed with regard to consistency and reproducibility of large and useful perforations.
Key Features
• Larger Perforations: Designed to create larger holes for improved wellbore connectivity and production.
• High Detonation Performance: Delivers highest energy output with largest bore and least consumption of the material.
• Durable and Strong: Designed with the strength of withstanding harsh downhole temperatures and pressures and stable operation.
• Seamless Integration: Total compatibility with the H-1 Perforating Gun System with smooth and silky operation.
• Consistency: Delivers predictable and reproducible results with minimal re-perforation and general improvement of the overall productivity of the well.
Industry Applications
BH charges are mainly applied in the petroleum and natural gas sector and specifically in instances that need large and heavy perforations. The charges suit the use of
• Deep Well Perforation: Widely used in deep wells wherein large openings are required for flow maximization.
• High-Pressure Reservoirs: Ideal for wells that encounter elevated downhole pressure with the assurance of not compromising the perforations.
• Hydraulic Fracturing: Most appropriate for prepping frack wells that need large boreholes in order to admit fluids and the recovered gas.
• Unconventional Reservoirs: Most suitable application in unconventional formations such as shale, wherein large bore diameters and higher energy play an instrumental part in the smooth operation.
Packaging and Storage
To ensure the BH charges are not damaged and affected during shipping and storing, they're packed with extra care within protecting housings that avoid physical injury and contamination. The package materials comply with the industry standards of safety and offer further safeguarding during shipping. BH charges need to be placed in a room with a good air environment and avoid direct shock, moisture, and heat. Adhering to the correct procedures of storing will keep the charge working and in a state of safety.
Shipment
The shipment of BH charges follows with the highest respect and adherence of shipping rules of hazardous materials that prevail. The charges are packed firmly within specially adapted containers that shield them against shock and weather during shipping. The customer orders during shipping include track information and the required documents such as certification of safety. Shipping might be adjusted based on customer specification with regard to timeliness and how they will be handled.