Why must tool joint and connection details be confirmed?

Drill pipe body, tool joint, upset type and thread connection work as a matched drilling string component. Connection details must match the rig, drill string design and inspection requirements.

OCTG & Energy Tubulars

API 5DP Drill Pipe

Drill pipe supply for drilling strings, tool-joint coordination and oilfield project inspection.

Product Overview

Drill pipe packages for drilling string procurement

Himount supplies API 5DP drill pipe for oil and gas drilling, geothermal wells, water well drilling and project drilling-string procurement. Each RFQ is reviewed by grade, OD, wall thickness, length range, upset type, tool joint, thread connection, hardbanding, internal coating, inspection level, packing and delivery plan.

5DPAPI drill pipe reference

E75-S135Common drill pipe grades

NC/IFConnection families

R1-R3Length range by order

API 5DP drill pipe port lifting and shipment

Key Specifications

Product formsAPI drill pipe, drill pipe body with welded tool joints, heavy weight drill pipe by project route, pup joints and drilling string accessories when specified.

Primary standardsAPI Specification 5DP, ISO 11961, API Spec 7-1 for rotary-shouldered connection references where applicable, and purchaser project specifications.

Common gradesE75, X95, G105 and S135. Grade selection is matched to drilling program load, torsion, inspection plan and service environment.

Size and lengthCommon drill pipe OD range includes 2-3/8 in, 2-7/8 in, 3-1/2 in, 4 in, 4-1/2 in, 5 in, 5-1/2 in and 6-5/8 in, with Range 1, Range 2 or Range 3 length confirmed by order.

Upset and connectionEU, IEU or IU upset routes; NC26, NC31, NC38, NC40, NC46, NC50, IF, FH and REG connection terms according to tool joint specification and compatibility review.

Inspection and optionsDimensional inspection, visual inspection, tensile and impact tests, hardness, drift, magnetic particle or ultrasonic inspection by project, thread gauging, hardbanding and internal coating when specified.

Order detailsConfirm API edition, grade, OD, wall, length range, upset, tool joint, connection, hardbanding type, internal coating, protector, marking, inspection level, MTC, quantity and destination.

Typical Applications

Where API 5DP drill pipe is specified

Oil and gas drillingDrilling strings for onshore and offshore wells where grade, tool joint, connection and inspection scope must match the drilling program.

Geothermal and water wellsProject drilling packages requiring reliable threaded connections, straightness, marking, protective caps and field-ready packing.

Drilling contractor stockReplacement drill pipe, rig inventory, mixed length ranges and project replenishment orders where compatibility with existing string components is critical.

Connection compatibility note

Drill pipe body grade does not define the complete item. Tool joint type, upset, rotary-shouldered connection and thread compatibility must be confirmed before substitution.

Inspection note

Hardbanding, internal coating, NDT, thread gauging, drift and MTC requirements should be stated before quotation, because they affect route, lead time and final packing.

International Model Search Index

Common standards, grades and RFQ terms

Standards and grade calls

API 5DP E75 drill pipeAPI 5DP X95 drill pipeAPI 5DP G105 drill pipeAPI 5DP S135 drill pipeISO 11961 drill pipeAPI Spec 7-1 tool jointS135 premium drill pipeG105 drilling pipe

Connection and size terms

NC26 drill pipeNC31 drill pipeNC38 drill pipeNC46 drill pipeNC50 drill pipe2-7/8 inch drill pipe3-1/2 inch drill pipe5 inch drill pipeRange 2 drill pipeIEU drill pipe

Buyer search phrases

API 5DP drill pipe supplierS135 drill pipe exporteroilfield drill pipedrill pipe with tool jointhardbanded drill pipeinternal coated drill pipeNC50 drill pipe stock

Buyer FAQ

Questions to settle before quotation

What information is needed for an API 5DP drill pipe RFQ?

Confirm API 5DP edition or project specification, grade, pipe OD, wall, length range, upset type, tool joint, connection, hardbanding, internal coating, inspection scope, quantity, packing and destination.

Which grades are common for API 5DP drill pipe?

Common API 5DP drill pipe grades include E75, X95, G105 and S135. Final selection should follow drilling program loads, mechanical requirements, inspection plan and service condition.

Why must tool joint details be confirmed?

Drill pipe body, tool joint, upset type and rotary-shouldered thread work as a matched component. Connection details must match the rig, drill string design and field inspection requirements.

Can hardbanding and internal coating be added?

They can be arranged by project route when the buyer confirms hardbanding type, coating requirement, accepted procedure, inspection records, marking and packing requirements before production.

Other products for drilling and energy tubular projects

API 5CT Casing & Tubing Seamless Carbon & API 5L Line Pipe Duplex & CRA Clad Products

Send RFQ for API 5DP Drill Pipe

Share grade, OD, wall, length range, tool joint, connection, hardbanding, coating, inspection and destination details.

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