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Tech Report

Location

Saudi Arabia, Asia

Details

Saudi Arabia
Khurais Field

Lithology
Carbonate

Well type
Horizontal and multilateral

Bottomhole pressure
<5,000 psi [34.4 MPa]

Bottomhole temperature
145 degF [63 degC]

Background

An operator needed to laterally identify, assess, and stimulate three dual-lateral power water injector wells for matrix stimulation treatment in openhole carbonate reservoirs located in Khurais and Central Arabia fields without affecting real-time downhole pressure and temperature readings.

Products Used

VDA Acid

ACTive Matrix CT Stimulation and Conformance Service

ACTive PTC Pressure Temperature and CCL Tool

Discovery MLT Multilateral Reentry System

Operator Significantly Increases Efficiency While Reducing Pumping Time by 50%

ACTive services enable high-rate pumping during matrix stimulation interventions

ACTive services enabled CT stimulation to be executed at a maximum pump rate of 4.5 bbl/min in dual lateral wells compared with 2.0 bbl/min during previous operations using real-time downhole parameters. Average pump rates of 4.0–4.5 bbl/min were achieved during the treatments while pumping up to 2,500 bbl of stimulation fluids per lateral, including VDA acid, 20% HCl, and mutual solvent—all while keeping downhole readings intact.

Abstract

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ACTive PTC

CT real-time pressure, temperature, and casing collar locator tool

Improve job efficiency and subsequent well performance with real-time downhole measurements.

ACTive Matrix

CT real-time stimulation and conformance service

Optimize CT stimulation matrix using live monitoring of injection rate, downhole pressure, and temperature.

Discovery MLT

Multilateral reentry system

Control selective entry on coiled tubing for multilateral wells.

VDA

Viscoelastic diverting acid

Increase zonal coverage in carbonate reservoirs with a self-diverting, polymer-free acidizing fluid.