Adaptability in Changing Formation Conditions Extended Bit Life PDC Drill Bit

Product Details
Customization: Available
Type: PDC Bit
Usage: Coring
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20000000 RMB
Plant Area
>2000 square meters
  • Adaptability in Changing Formation Conditions Extended Bit Life PDC Drill Bit
  • Adaptability in Changing Formation Conditions Extended Bit Life PDC Drill Bit
  • Adaptability in Changing Formation Conditions Extended Bit Life PDC Drill Bit
  • Adaptability in Changing Formation Conditions Extended Bit Life PDC Drill Bit
  • Adaptability in Changing Formation Conditions Extended Bit Life PDC Drill Bit
  • Adaptability in Changing Formation Conditions Extended Bit Life PDC Drill Bit
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Basic Info.

Model NO.
28mm,32mm,42mm,48 mm,56mm,65mm,76mm,85mm,96mm,99mm
Certification
CE, ISO
Material
Carbon Steel
Property
Coring
Industry
Geological Survey
Payment Term
Tt or LC
Product Name
Impregnated Diamond Core Bit
Thread Type
Pi, Metric, Dcdma etc.
Connection
Male/Female
Surface Finish
Smooth
Name
PDC
Full Name
Polycrystalline Diamond Compact
Machine Type
Drill Tool
Application
Groutiong Coal Mine Gas Discharge Water Well Drill
Formation
Medium Hard, Hard Rock Formation
Transport Package
Nude/Wooden Case/Carten
Specification
PQNQHQNTWHTWNQ3HQ3
Trademark
BEST
Origin
China
HS Code
82071910
Production Capacity
500000 Pieces/Year

Product Description

Product Description:

some additional details about PDC (Polycrystalline Diamond Compact) drill bits:

  1. PDC Cutter Technology: PDC drill bits feature PDC cutters, which are made of synthetic diamond particles and a tungsten carbide substrate. These cutters are created through a high-pressure, high-temperature process that bonds the diamond particles together. The result is a super-hard cutting element with excellent wear resistance and thermal stability.

  2. Cutting Mechanism: PDC cutters on the drill bit's surface engage with the rock formation during drilling. The cutters shear through the rock by generating high compressive forces, resulting in efficient cutting action. The shearing process reduces the energy required for drilling, leading to increased drilling speeds and reduced torque.

  3. Matrix Design: The matrix body of a PDC drill bit consists of tungsten carbide powder and a binder material, such as cobalt. The matrix is carefully designed to provide strength, toughness, and resistance to wear and erosion. The design and composition of the matrix can be adjusted to match specific drilling conditions and formation types.

  4. Gauge Protection: The outer edges of a PDC drill bit, known as the gauge, are prone to wear due to contact with the wellbore walls. To protect the gauge area, additional PDC cutters or inserts made of hard materials like tungsten carbide can be strategically placed. These gauge protection features extend the bit's lifespan and maintain hole size integrity.

  5. Hydraulic Efficiency: PDC drill bits are designed to maximize hydraulic efficiency during drilling. Channels or nozzles on the bit allow drilling fluid to flow through and cool the cutting structure, reducing heat buildup. Efficient fluid flow also helps carry the drill cuttings away from the bit, preventing clogging and maintaining drilling performance.

  6. Formation Compatibility: PDC drill bits are suitable for a wide range of formations, including soft, medium, and hard rock types. The design and selection of PDC cutters, along with the bit's hydraulic configuration, can be optimized to match the specific challenges posed by different formations. This versatility allows PDC bits to be used in various drilling applications.

  7. PDC Bit Performance Analysis: During drilling operations, monitoring and analyzing the performance of PDC drill bits is crucial. Parameters such as rate of penetration, weight on bit, torque, and vibration levels are measured and analyzed to evaluate the bit's efficiency and identify any potential issues. This analysis helps optimize drilling parameters and improve overall drilling performance.

  8. PDC Bit Maintenance: Proper maintenance of PDC drill bits can enhance their lifespan and performance. After each drilling operation, the bit should be inspected for wear, damage, or any signs of degradation. If necessary, worn or damaged cutters can be replaced, and the bit can be cleaned and prepared for the next drilling operation.

  9. PDC Bit Cost Considerations: The cost of PDC drill bits depends on various factors, including the size, design complexity, and quality of the cutters and matrix. While PDC bits may have a higher initial cost compared to traditional roller cone bits, their extended lifespan and improved drilling efficiency often result in lower overall drilling costs.

PDC drill bits have revolutionized the drilling industry by offering superior cutting performance, durability, and versatility. Their ability to handle various formations, coupled with ongoing advancements in cutter technology and bit design, continues to drive their widespread adoption in oil and gas exploration, geothermal drilling, and mining operations.
 

FAQ:

1.Q: How do PDC drill bits handle vibrations during drilling?
A: PDC drill bits can incorporate design features such as shock absorbers, cutter spacing optimization, and cutter geometry modifications to mitigate vibrations and improve drilling performance.

2.Q: Are PDC drill bits suitable for drilling in abrasive formations like quartzite or sandstone with high quartz content?
A: Yes, PDC drill bits can be designed with diamond-enhanced cutters and robust cutter geometries to effectively drill through abrasive formations containing quartz or sandstone.

3.Q: Can PDC drill bits be used in high-pressure high-temperature (HPHT) drilling environments?
A: Yes, specialized PDC drill bits with advanced cutter materials and designs can be used in HPHT drilling environments where extreme pressures and temperatures are encountered.

4.Q: What are the factors that affect the durability of PDC drill bits?
A: Several factors can affect the durability of PDC drill bits, including cutter quality, cutter exposure, cutter spacing, hydraulic design, drilling parameters, and formation characteristics.

5.Q: Can PDC drill bits be used for drilling in highly fractured formations?
A: PDC drill bits can be used in fractured formations, but careful consideration should be given to cutter selection, cutter placement, and bit design to minimize cutter damage and maintain stability.


Model or type:

Type Size available
Coring N,H,P,N2,N3,H3,P3
Non-coring T2 101.T6 86, T6 101, T6 116, T6 146, 412, HWF PWF
28mm,32mm,42mm,48 mm,56mm,65mm,76mm,85mm,96mm,99mm,115mm,123mm,143mm,152mm


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Adaptability in Changing Formation Conditions Extended Bit Life PDC Drill Bit
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Adaptability in Changing Formation Conditions Extended Bit Life PDC Drill Bit


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