Resources
Guides from the field
Practical, technically-grounded references on drill string tubulars and downhole rental tools.
Drill Pipe Grades Explained: E-75, X-95, G-105 and S-135
A practical guide to API drill pipe grades — what E-75, X-95, G-105 and S-135 mean, how yield strength is defined, and how to choose the right grade for your well.
Read guideDirectional and Horizontal Drilling: BHA Essentials
The essential BHA components for directional and horizontal wells — mud motors, RSS, MWD/LWD, stabilizers and HWDP — and how they build angle and drill long laterals.
Read → FishingFishing Operations 101: Tools, Techniques and When to Fish
A practical primer on downhole fishing: what a fish is, the tools used to recover it, catch and jarring techniques, and how to decide between fishing and sidetracking.
Read → LogisticsGlobal Oilfield Rental Logistics: Getting Tools to Any Basin
How drilling tool rentals reach any basin — hub staging, customs and ATA carnets, inspection and certification, and regional standards from NORSOK to ADNOC AVL.
Read → RentalsPreparing a Drilling Tool Rental: What to Send for a Fast Quote
The exact information to send for a fast, accurate drilling tool rental quote — sizes, grades, connections, dates, location and logistics — with a ready-to-use checklist.
Read → RentalsRenting vs Buying Drilling Tubulars: A Cost and Risk Analysis
Rent or buy drill pipe, HWDP, drill collars and workstring? A cost, risk and utilization analysis to help operators and drilling contractors choose the right model.
Read → OperationsRig-Floor Handling Tools: Elevators, Slips, Tongs and Safety
How rig-floor handling tools work together — elevators, slips, tongs and safety clamps — to run tubulars safely, plus makeup torque, inspection and red-zone safety.
Read → OperationsStuck Pipe: Prevention, Diagnosis and Recovery
Understand the three stuck-pipe mechanisms — differential sticking, pack-off and keyseating — plus how to diagnose which one you have and the steps to get free.
Read → OperationsWell Control Barriers: IBOPs, Kelly Valves and Safety Valves
How drill-string well control barriers work — IBOPs, upper and lower kelly cocks, and full-opening safety valves — and how they fit the two-barrier philosophy.
Read → Drill StringAPI vs Premium Connections: A Practical Comparison
Compare API and premium drill string connections — torque capacity, sealing, fatigue and cost — to choose the right rotary-shouldered connection for your well.
Read → InspectionDrill Pipe Fatigue: Causes, Prevention and Inspection
Understand drill pipe fatigue — how cyclic bending in doglegs causes cracks, where failures start, and how design, operating practice and inspection prevent twist-offs.
Read → InspectionDrill Pipe Inspection Classes and Standards (DS-1) Explained
Understand drill pipe inspection classes and the DS-1 standard — Premium, Class 2 and Class 3 pipe, wall and OD wear criteria, and what inspection certificates mean.
Read → Drill StringDrill String Design Fundamentals: Loads, Limits and Layout
A practical guide to drill string design — the tensile, torsional, collapse and fatigue loads that govern layout, safety factors and how a well-designed string is assembled.
Read → TubularsHow to Select Drilling Tubulars: Size, Grade, Weight and Connection
A step-by-step guide to selecting drilling tubulars — how to choose drill pipe outside diameter, API grade, nominal weight and connection for your well and hole size.
Read → BHADrill Collar Selection and Weight-on-Bit Fundamentals
Learn how to size drill collars and calculate weight on bit — collar OD and weight, buoyancy, the neutral point and the safety margin that keeps drill pipe in tension.
Read → BHAHeavy-Weight Drill Pipe vs Drill Collars: Building the BHA
Compare heavy-weight drill pipe and drill collars in the BHA — how each provides weight on bit, controls buckling and fatigue, and where each belongs in the string.
Read → TubularsSour Service Tubulars: NACE MR0175 and Drilling in H2S
A guide to sour service drilling tubulars — how NACE MR0175 / ISO 15156 governs material and hardness selection to resist sulfide stress cracking in H2S wells.
Read →Ready to source your string?
Rent or buy — send us your specs (size, grade, connection, quantity and location) and our team quotes within the hour, day or night.