BN
Bull Nose Subs
Single piece assembly that guides the drill string through deviated spots and reduces sidetrack risk while cleaning the wellbore with integral nozzles.
Product Line
Built around your string.
BHA Components consist of varying tool types from stabilizers, cross over subs, torque reducers, float subs, float valves, bull noses, z-bits, pony collars, and drill collars.
ROT
Rotary Subs
Cross-over subs and float subs enabling seamless connections between drill string components with differing thread types, manufactured to DS-1 specifications.
SPB
SPB (Z-bit)
An alternative to the standard Bull Nose sub utilizing an offset rotating cutter to guide the drill string through deviated holes, punch through bridges, and reduce sidetrack risk. Compatible with any BHA.
STB
Stabilizers
Integral and welded blade stabilizers that centralize BHA components to reduce vibration, increase rate of penetration, and minimize micro doglegs.
LTR
Low Torque Reamer
Integral blade reamer for BHA torque reduction, stabilization, and wellbore conditioning across soft, medium, and hard formations.
Technical Context
How BHA components work.
Use of BHA Components
Complete BHA Flexibility
BHA Components consist of varying tool types from stabilizers, cross over subs, torque reducers, float subs, float valves, bull noses, z-bits, pony collars, and drill collars. These Bottom Hole Assembly items are utilized in the drill string to achieve connection changes, regulate pressure, help guide the string, add or decrease the length between specific tool types, and generally add weight to the string.
Typical Application
Every Drill String
In general, every drill string will utilize cross over subs, float subs, and stabilizers. Specific applications will dictate if a certain BHA component is required, how many of each product, and where they are placed within the drill string. The drilling engineer or directional coordinator is usually responsible for assembling the BHA to meet the well bore's specific needs.
Key Features
Multi-Function Design
There are many features to the various types of bottom hole assembly components. HOC BHA components enable connection changes, pressure regulation, string guidance, tool spacing, and weight addition - all critical for optimized drilling performance.
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