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Wireless telemetry system BTS

(На сегодняшний день телесистема БТС не производится, выполняется только обслуживание и ремонт.)
     “BTS” telemetry system provides operational control of the wellbore trajectory during inclined and horizontal drilling with hydraulic downhole engines in geological environment free of magnetic anomalies. Data transmission is performed via a wireless electromagnetic communication channel.
     “BTS” system is available in two modifications depending on the bottom-hole assembly external diameter: “BTS-172” (BHA external diameter – 172mm) and “BTS-210” (210mm).
     “BTS” is used for the following turbo and rotary drilling operations:
*when the gamma module is attached;

  

 

 

BTS” Technical specifications and operating conditions

 

Parameter

BTS-172

BTS-210

Environment temperature °С (as required)

+5 … +100 (up to 120)

+5 … +100 (up to 120)

 

Vibration range 10 … 300 Hz with vibration acceleration, m/sec2

300

300

Maximum hydrostatic pressure, kN

60

60

Maximum thrust load, kN

1000

3000

Maximum torque, kN

40

60

Flow rate, l/sec

28…54 (64)*

24…64 (75)*

Maximum rotation, rpm

60

100

Maximum Dogleg Severity degrees per 10 m

Non-rotating

2.5

2.5

rotationg

1.6

2.0

Threads and torque wrenches, kN∙m

МК150×6×1:8 18…21

З-147 32.0…35.0

3-171 40.0…45.0

Length (with non-magnetic collars), m, max

15.5

13.2

Weight**, kg

1500

2100

Measurement range (inaccuracy)

Zenith angle, degree

0…120 (±0,2)

Azimuth angle, degree

0…360 (±3 at Z=3…10; ±1 at Z=10…120)

Toolface, degree

0…360 (±2 at Z>3.2; ±10 at Z=0…3.2)

Natural gamma ray level, micro R per hour

0…250 (±10%)***

Temperature, оС

0…125 (±2)

Vibration, m/sec2

0…1200 (±10%)

 

* - severe conditions

** - depends on collar variation

*** - if gamma module MES-50 is applied