Technical Services-SUNGOOD TECH
SUNGOOD TECH Focus On Mining Machinery & Well Drilling Equipment
Sep 18,2026
TCI vs Milled Tooth Tricone Bits for Deep Water Wells: Sealed Bearings and IADC Codes Explained
TCI vs milled tooth tricone bits for deep wells: 90 MPa UCS crossover, sealed bearings last longer, IADC locks choice.
Sep 16,2026
Prime Steel Bodies and Silver Brazing: ZZSEGU's Standards for Bit Structure and Joints
Silver braze and prime steel, not the cutter, decide whether a bit reaches its rated meters; the joint fails first.
Sep 15,2026
Reading a Used PDC Bit Like a Field Engineer: Dull Grading and the Parameter Errors It Reveals
A pulled PDC bit grades itself: wear form and location map to one parameter error and the meters a fix recovers.
Sep 11,2026
The Economics of Geophysical Water Siting: How One Survey Prevents a Dry Hole
A $150-400 survey cuts dry hole rates from 19-25% to 5-8%, preventing $12,000-18,000 losses per failed borehole.
Sep 09,2026
New Cutters Only, Prime Carbide Only: ZZSEGU's Sourcing Standards for Bit Wear Parts
ZZSEGU specifies virgin cutters, YG11C carbide, and BAg-1 braze; lot codes stay traceable from dock to drill floor.
Sep 08,2026
PDC Cutter Size Selection for Water Well Bits: What 1308, 1313, 1613, and 1913 Actually Do Downhole
Cutter codes 1308-1913 encode diameter and height; matching them to UCS and abrasion cuts bit cost per meter.
Sep 04,2026
Water Well Drilling Rig Acceptance Checklist: 21 Factory and Field Tests Before You Sign Off
Fourteen factory tests plus seven field rechecks decide rig acceptance, each with an instrument and a numeric standard.
Sep 01,2026
PDC or DTH for Water Wells in Interbedded Formations: When to Switch and How to Cut Cost per Meter
UCS and quartz decide PDC-DTH in interbeds; one planned changeover beats per-bed trips and cuts cost per meter 18-26%.
Aug 28,2026
Reverse circulation drilling delivers 4.3 times the yield of direct circulation, while DTH 6-8" hammers cut hard sandstone at 4-8 m/h.
Aug 25,2026
A Comprehensive Decision Guide for Global Water Well Drilling Equipment Dealers
Dealer guide: PDC bits lead factory output. 15-20 day delivery. Credit, logistics, compliance across 7 regions.
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