Integrity Underreamer

INQUIRY PDF Format

Description

Introduction

Integrity Underreamer is a simple and reliable solution to the drilling inefficiencies and out-of-gauge wellbores that can increase hole enlargement costs exponentially. Whether enlarging an existing wellbore or reaming-while-drilling new hole, the tools delivers the utmost in durability regardless of the formation or operating parameters. This versatile tool comprises a single-piece body engineered to ensure a robust low-mass design. This concentric symmetric mass-balanced design provides optimum hole opening ratios up to 25%, with increased flows around the tool for enhanced hole cleaning and reduced downhole vibration.

Features
- Suitable for all formations.
- Straightforward body design.
- Application-specific Trident PDC cutter blocks.
- Superior mechanical force advantage.
- Adjustable jet nozzles with integrated flow paths.
- Hydraulic activation through ball drop or controlled pressure drop.
- Concentric symmetric mass-balanced design.
- Track feed design for securing and deploying cutters.
- Bi-directional capability.
- Cutter deployment independent of BHA weight, formation strength and operating parameters.

Specifications

Operating recommendation	US Units	SI Units
Minimal pilot hole size	8.25Inch	8.375 Inch
Minimal collapsed diameter	209.6 mm	212.7mm
Maximum recommended operating Row	760 gpm	2880 Ipm
Maximum drilling torque	18.4 kft-Ib	38.2-42.0 kft-Ib
Make-up torque tool subs	25kNm	51.7-56.9 kNm
Minimum operating pressure	4.2 Mpa	20Mpa
Maximum operating pressure	610 psi	2900 psi
Maximum operating temperature	356 F	180C
Maximum hydrostatic pressure	No limitation