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Fracturing Composite Temporary Plugging
Compared to traditional fracturing and acidizing techniques, the Temporary Plugging Diversion Stimulation Technology (TPDST) enables refracturing and acidizing in aging wells, achieving flow diversion and increasing the Stimulated Reservoir Volume (SRV) in coalbed methane (CBM) and shale reservoirs. The Composite Temporary Plugging Technology offers comprehensive refracturing solutions and services for all well conditions.
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Technical Details
Directional Temporary Sealing Balls

Product Name
Type
Product Code Applicable Temperature Dissolution/Degradation Time（Dissolution/Degradation Rate > 90°C）
30℃ 40℃ 60℃ 70℃ 80℃ 90℃ 100℃ 110℃ 120℃ 130℃ 140℃

WLD94

Series

Dissolvable 16~40 30~35℃ 40h 16h 10h / 4h / / / / / /
14~60 50~80℃ / 40h 14h / 8h / / / / / /
12~70 50~80℃ / / 24h 12h 10h 6h / / / / /
80~10 50~80℃ / / 18h 14h 8h / / / / / /
Degradable 16~100 90~110℃ / / / ＞48h 39h 24h 16h 10h / / /
12~130 110~140℃ ＞48h 24h 12h 6h
24~140 110~140℃ ＞72h 48h 36h 24h

Temperature optimum parameter table

Formation Types Fracture Size Wellbore Temperature Plugging Methods Past Achievements
Shallow Shale 1-2 40-80℃

In-Fracture Plugging Solution: Composite Temporary Plugging Agent，

In-Fracture Temporary Plugging: Directional Temporary Sealing Balls + Smart

Port Plugs，Efficient Sectional Fracturing: Smart Port Plugs + Bridge Plugs

Zhejiang Oilfield (10 wells)
Deep Shale 1-2 90-140℃

Dingye (3 wells), Yongye (3 wells), Weiye (3 wells), Changning (5 wells)


Tight Sandstone and Shale 2-5 40-80℃

Fracture Opening Temporary Plugging:Directional TemporarySealing Balls + Super-DispersedFibers

，Tail Section Anti-Sedimentation: 0.5%~1% Co-Injectionof Ultra-Hydrophilic Anti-Sedimentation Fibers

Jinqian (more than 10 wells), Yongqian (3 wells),Xiqian (2 wells), Qiulin (2 wells)


Carbonate Formations / 130-180℃

Large Natural Fracture Openings:Smart Fracture Plugs + Fibers + Particles

+Powder，In-Fracture Composite Temporary Plugging Solution:

Fibers + Particles + Powder

Moxi (2 wells), Gaoshi
Shale Gas / /

Full-Interval Casing Changes with Overall Perforation: Smart Fracture Plugs

+ Bridge Plugs (with optional fast unblocking agents)

Weiye27-9

Technical advantages

Compared to traditional fracturing and acidizing techniques, the Temporary Plugging Diversion Stimulation Technology (TPDST) enables refracturing and acidizing in aging wells, achieving flow diversion and increasing the Stimulated Reservoir Volume (SRV) in coalbed methane (CBM) and shale reservoirs. The Composite Temporary Plugging Technology offers comprehensive refracturing solutions and services for all well conditions.



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Deep High-Pressure Acidizing
Fracturing Composite Temporary Plugging
Slickwater Fracturing
Acidizing Composite Temporary Plugging
Formation Damage Nano Repair
Heterogeneous Carbonate Rock Diverting Acidizing
Dissolvable Bridge Plug
Low Friction Acidizing
Anti-Sedimentation Fibers
Intelligent Perforation and Segment Fracturing
Conventional Wellbore Fracturing
Permanent Wellbore Completion
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