MRP – 2ESP – 2CEV -2TMU – ST

This patented remotely controlled completion system used in multi-reservoir production (MRP) includes two packers and double-sided ESP unit for simultaneous production from two reservoirs of horizontal side-track (ST) through a single tubing string. The completion system provides separate parameter measurement and flows control coming from reservoirs of side-track’s tail to an ESP intake.

Applications:

  • For cost reduction in multi-reservoir fields and wells penetrating reservoirs with different properties;
  • For tapping currently inactive reservoirs;
  • For solving problems associated with drawdown pressure limits or negative mutual interference between reservoirs;
  • For simultaneous production from multiple reservoirs with different physicochemical properties, production fluid characteristics, water cuts, gas-oil ratios, bubble-point pressures and temperatures.

BENEFITS

  • The entire completion, including controlled electric valves (CEV), is controlled in real time remotely or from Geonik’s control station;
  • Two-way communication to obtain fluid data from Telemetry units (TMU) with P, Q, C, T gauges and precise opening and closing regulation of electrovalves during operation of an ESP from Geonik’s dedicated telemetry system (TMS) or through power or logging cable by personal request*;
  • Dynamic testing of each reservoir during ESP operation with recording of pressure build-up curves by shutting in one of the reservoirs;
  • The completion is run and set in the well in two stages: 1) setting two-packers system into the side-track’s tail and (2) running an ESP unit with CEVs and TMUs and its connection to two-packers system;
  • Real-time management of each reservoir using downhole gauge and flow-meter data from CEVs and TMUs;
  • To change an ESP, the main system is retrieved from the well without the packer system;
  • To wash downhole pumping equipment by reagent injection from the wellhead, both direct and reverse circulation can be performed;
  • No additional tubing used for production from multi-completion wells with hydraulic valves is required due to ease of installation and high performance of the completion system.
Item code Casing string, mm./in. CEV seat diameter,

mm./in.

CEV working pressure,

MPa/psi

Maximum T, ℃/F Tubing thread diameter,

mm/in

 Downhole environment
Nominal diameter Wall thickness TMU w/gauges TMS
MRP – 2ESP –
2CEVs -2TMUs – ST –118
140/5.51 6-8/0.2-0.3 12/0.47; 20/0.78 ⃰ 30/

4351

120/248; 150/302 ⃰ 150/302 73/2.87 Oil

Associated gas

Gas Condensate

Natural gas

Formation water

146/5.74 9-11/0.35-0.43
MRP – 2ESP –
2CEVs -2TMUs – ST -120
146/5.74 6,5-10/

0.23-0.39

12/0.47; 20/0.78 ⃰ 30/

4351

120/248; 150/302 ⃰ 150/302 73/2.87
MRP – 2ESP –
2CEVs -2TMUs – ST -140
168/6.61 8-11/

0.3-0.43

12/0.47; 20/0.78 ⃰ 30/

4351

120/248; 150/302 ⃰ 150/302 73/2.87
178/7 13-15/

0.51-0.59

MRP – 2ESP –
2CEVs -2TMUs – ST -145
168/6.61 7,3-8/

0.27-0.31

12/0.47; 20/0.78 ⃰ 30/

4351

120/248; 150/302 ⃰ 150/302 73/2.87
178/7 11,5-12,7/

0.43-0.47

* by personal request