Drill String Weight Calc
iOS app by Shanghai Sheyuan Network Technology Co., Ltd.. Utilities · Shanghai Sheyuan Network Technology Co., Ltd.
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- 4.99 USD
- In-app purchases
- Unknown
- Version
- 1.0.2
- Listing last refreshed
- 2026-09-12
View the original store listing
Store description excerpt
Need to know your hook load before picking up off bottom? Drill String Weight Calc gives you total string weight, buoyed weight, and hook load with and without WOB — so you can verify rig capacity and plan your BHA. Enter drill pipe size and length, HWDP length and weight, drill collar size and length, mud weight, block weight, and target WOB. Get complete string weight analysis in air and in mud. STRING WEIGHT (AIR): - Drill pipe weight from built-in size/weight table - Heavy weight drill pipe (HWDP) contribution - Drill collar weight from collar OD selection - Total string weight in air BUOYED WEIGHT: - Buoyancy factor from mud weight (ppg) - Total buoyed string weight in mud - Individual component buoyed weights HOOK LOAD: - Hook load without WOB (string + block + equipment) - Hook load with WOB applied - Block and traveling equipment weight included WOB ANALYSIS: - Target WOB vs available drill collar weight - Pass/fail check: are collars heavy enough for your WOB? - Prevents running drill pipe in compression DRILL PIPE DATABASE: - Sizes: 2-7/8" through 6-5/8" - Nominal weights per API standards - Drill collars: 4-3/4" through 9-1/2" Built for drilling engineers, rig supervisors, and directional drillers. Works completely offline — no internet required.
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