Hor 88° · Western Siberia

Well Field test №7

Horizontal well at 88° with 2,528 m reach. Transit and horizontal sections on a 2-string design, extended by 200 m with a motor BHA. Pre-job analysis flagged the well as undrillable from 3,830 m.

TD
3,990 m
Reach
2,528 m
FRS count
88
HWDP-147
1,300 m
Inputs

Well profile

88°
Horizontal wellbore
3,990 m
Final TD 200 m extension
2,528 m
Horizontal reach
220.7 mm
Section 1,048–3,990 m
1.19 g/cm³
Water-based mud
245 mm
Casing shoe
Project goals

Project goals

  • 01

    Drill transit and horizontal sections (2-string), extended by 200 m

  • 02

    Beat the calculated undrillable point at 3,830 m

  • 03

    Transfer enough load on directional drilling

  • 04

    Avoid incidents during directional drilling from 3,450 m

Solution

Technology

FRS

FRS-127
FRS — Friction Reduction System

Frameless composite friction reducers. Installed on the drill pipe in zones of maximum side load. The pipe rotates inside a stationary composite sleeve pressed against the wellbore wall.

01

Plain-bearing principle

The drill pipe rotates inside a stationary composite sleeve. The sleeve is pressed against the wellbore wall or casing by lateral load — never touching the pipe body.

02

Friction coefficient < 0.06

Low-friction composite — Kompozit №1. For reference: steel on steel runs at 0.13 in the lab. 2×+ less friction.

03

1–2 min to install

Mounts on the pipe during a trip or on the catwalk. Held by two stop collars. No steel frame, no hinges inside the sleeve.

Outcome

Key results

30.8 → 25.7 kN·m
−17%
Bit torque
114 → 101 t
−13 t
Hook load on POOH
31 → 41 t
+10 t
Hook load on slack-off (RIH)
Friction coeff.
0.31 / 0.36
Calculated friction coefficient
Takeaways

Conclusions and lessons

  • 01

    Friction reduction confirmed

    Done

    Torque and hook load readings confirm FRS friction reduction.

  • 02

    Load transfer on directional drilling

    Done

    Adequate load transfer on directional drilling — no issues on either directional or rotary drilling.

  • 03

    Run completion

    Done

    Run ended at TD 3,990 m by geology call. All project goals delivered.

Equipment

We build FRS to your project conditions

We design and supply friction reduction systems for drilling. Tools are engineered for real well conditions and run as part of an engineering plan.

Engineering

We run T&D — we don't guess

We work through the well data, constraints, and risks. The output: a configuration you can defend and a clear plan for the run.

Field support

We're on the rig with you

We support the project on site — align the run scenario, tune parameters, capture the result, and roll the learnings into the next well.

Get in touch
We reply within a day

Run the numbers on your well

Send your well data and constraints — we'll run T&D modeling and come back with a configuration and the expected impact.

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