BHA Tools & Tubulars
[IMAGE PLACEHOLDER: Primary Equipment / Operational Photo (900x480px)]
Overview & Service Scope
Ishar Oilfield Services provides reliable Bottom Hole Assembly (BHA) tools, drill string components, and tubular solutions designed to enhance drilling performance, operational safety, and well integrity across the oil and gas industry.
The Bottom Hole Assembly (BHA) is the lower section of the drill string located between the drill bit and the drill pipe. It is engineered to provide directional control, weight on bit, drilling stability, hole quality, and efficient drilling performance. All BHA tools and tubular products are supplied in strict accordance with API Specifications, ISO Standards, OEM Requirements, and Customer-Specific Technical Standards.
Equipment, Capabilities & Technical Specifications
Sizes, ratings, connection types, and operational specifications kept exactly as certified in technical documents:
Drill Collars (Slick & Spiral)
Sizes from 3-1/8" to 11" with API ConnectionsHeavy-wall tubular components used to provide weight on the drill bit and maintain compressive force during drilling operations.
- OD Size Range: 3-1/8" to 11"
- Connections: Full API rotary shouldered connections
- Configurations: Slick and spiral grooved collars with slip & elevator recesses
Non-Magnetic Drill Collars (NMDC)
Sizes from 4-3/4" to 9-1/2" with API ConnectionsSpecialised drill collars manufactured from high-purity non-magnetic stainless steel alloys for MWD/LWD directional drilling applications.
- OD Size Range: 4-3/4" to 9-1/2"
- Connections: Calibrated API Connections
- Application: Magnetic interference isolation for MWD/LWD survey instruments
Stabilizers (Welded & Integral)
Sizes from 3-7/8" to 36" with HF-1000 / HF-3000 / HF-5000 DressingPrecision tools designed to centralise the drill string, prevent differential sticking, and minimise vibration during vertical, directional, and horizontal drilling.
- Near-Bit Stabilizers
- String Stabilizers
- Integral Blade Stabilizers (IBS)
- Replaceable Sleeve Stabilizers
- Hardfacing Dressing: HF-1000, HF-3000, and HF-5000 tungsten carbide wear protection
Reamers & Hole Openers
Sizes Available: 8-1/2" to 26"Heavy-duty roller reamers and fixed/replaceable-cutter hole openers used to enlarge wellbore diameter and maintain full-gauge hole conditions in abrasive formations.
- Size Range: 8-1/2" to 26"
- Applications: Wellbore enlargement, key-seat wiping, and gauge maintenance
Subs & Crossovers
Available with API and Premium ThreadsPrecision-machined connection components used to join drilling tools with different thread types and sizes.
- Bit Subs
- Float Subs
- Saver Subs
- Crossover Subs
- Lift Subs
Jars & Shock Tools
Hydraulic / Mechanical Drilling Jars & Shock AbsorbersEngineered to deliver high-impact jarring force to free stuck BHA strings and absorb axial/torsional drilling vibrations to protect bits and downhole electronics.
- Drilling Jars (Hydraulic & Mechanical)
- Downhole Shock Tools / Vibration Dampeners
Drill Pipe & Heavy Weight Drill Pipe (HWDP)
OD Sizes from 2-7/8" to 5-7/8" | Connections: GP, Hilong, DP Master & APICritical tubular components used in drilling, completion, production, and well intervention to transmit rotary torque and drilling fluid to the bit.
- Drill Pipe: API certified, multiple steel grades (E-75, X-95, G-105, S-135), OD sizes from 2-7/8" to 5-7/8"
- Premium & API Connections: GP, Hilong, DP Master, and standard API threads
- Heavy Weight Drill Pipe (HWDP): Intermediate transition tubular placed between drill collars and drill pipe to minimise stress concentration and fatigue failure
Operational Applications
Onshore & Offshore Vertical, Directional & Horizontal Drilling
MWD / LWD Directional Control & Borehole Stabilization
Wellbore Enlargement & Hole Opening Operations (8-1/2" – 26")
Well Completion, Production & Workover String Assemblies
Deep High-Torque Drilling with Premium Connections (GP, Hilong, DP Master)
Standards & Quality Compliance
All equipment and procedures strictly comply with international and regional industry bodies:
API Specifications (API Spec 7-1, API Spec 5DP, API RP 7G)ISO Quality & Environmental Management Standards (ISO 9001, 14001, 45001)DS-1 Pre- and Post-Rental Dimensional & NDT InspectionOEM Technical Requirements & Customer-Specific Standards
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