Technical Services-SUNGOOD TECH
SUNGOOD TECH Focus On Mining Machinery & Well Drilling Equipment
Jun 09,2026
How to Extend the Life of Your PDC Drill Bit from 300m to 800m: 5 Field-Tested Operating Adjustments
Five operating adjustments — WOB, flow rate, RPM, trip speed, and stringer protocol — close 68% of the gap between 300 m and 800 m PDC bit life.
Jun 07,2026
Diamond Core Bit vs. PDC Coring Bit: Which Delivers Better Core Recovery in Fractured Formations
In RQD<55% fractured rock, diamond core bits beat PDC with +18–27% recovery and lower cost/meter, especially as RQD drops.
Jun 04,2026
Underground Coal Mine Gas Drainage: Why Directional Long-Hole Drilling Demands Different PDC Bits
Standard PDC bits in gas drainage long holes fail from drift and cutter impact. A directional bit with long gauge pads cuts sidetracks from 18% to 4%.
Jun 01,2026
How to Match Your Drill Rod Thread to the Right PDC Bit: A Practical Compatibility Guide
Thread mismatch causes 3.2% of bit returns. Φ50 and 2-3/8" REG are incompatible. Verify thread type, box/pin, and torque before ordering.
May 28,2026
Tungsten Carbide Pricing in H1 2026: What Drilling Contractors Should Know Before Their Next Order
Tungsten prices rose 13% in H1 2026, adding USD 14–24 per PDC bit. Current Q2 correction creates a forward-order window for H2 drilling programs.
May 26,2026
Water Well Drilling in Middle East Carbonate: How to Handle Hard Limestone and Dolomite
Carbonate transitions fracture planar PDC cutters. Non-planar cutters, RPM-first protocols extend bit life 50%+ and hold deviation within 2 degrees.
May 24,2026
What Happens When Your DTH Hammer Starts Losing Impact Energy?
DTH hammer energy loss usually stems from air supply issues—not the hammer. Causes: leaks, low pressure/volume, worn buttons or valves.
May 22,2026
PDC Cutter Specification White Paper: How to Read and Compare Supplier Datasheets
PDC cutter quotes vary by maker. This paper defines 7 key specs—size tolerance, cobalt (6–16%), diamond grade & more—for true performance comparison.
May 20,2026
Tricone Bit IADC Selection for Copper Porphyry Deposits in the Andes
Andean porphyry Cu (200–320 MPa, CAI 4.5–6.0): use Series 6–7 TCI bits. Sealed bearings (X4/X5/X7) for RC >120 m or CAI >3.5—cut cost/m by ~39%. IADC 637 in oxide zone; 737 below 200–250 m. WOB 8–16 kN, RPM 60–100; ease off at faults. Timely pull prevents cone loss.
May 18,2026
Coal Mine Roof Bolt Drilling: Why Standard PDC Bits Fail
Std PDC bits chip in coal roof bolting due to high-freq micro-impact, not shear. Fix: shorter blades, dense small cutters, reinforced gauge & short steel body.
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