Shark Oilfield LCM G Blok 400

• Appearance: Solid Black Granula
• Specific Gravity: 1.82
• Transport Package: 25 Kg Sack
• Trademark: G BLOK 400
• Origin: China
• Model NO.: DFS08-018
• Production Capacity: 5000 Mt Per Year

Product Description

Product Description

G-BLOK^® 400 lost circulation material (LCM) is high-resiliency graphite that provide enhanced bridging and sealing of nature and induced fractures in 400 μm averaged particle size. It allows tightly packed particles under compression in fractures and pores to expand or contact without being dislodged or collapsed due to changes in differential pressures. The bridging ability of this product makes it effective when drilling depleted zones, where high differential pressure increases sticking tendency. It can be also used to control seepage in partial- to-severe lost circulation zones. G-BLOK^® is available in five particle size ranges: 25, 50, 100, 400, 1000. The number reflects the nominal median particle size (D50) of the product.

Applications/Functions

• Lost circulation treatment for pore plugging and small induced and natural fractures
• Prevent seepage losses when used as a background material
• Control seepage losses, thereby reducing the possibility of differential sticking
• Reduce torque and drag when used in water-based drilling fluids

Advantages

• Temperatures stable more than 500°F
• Applications in all drilling fluid systems (water-, oil-, or synthetic-based)
• Exhibits a resiliency that allows it to remain closely packed within a fracture or pore throat

Typical Properties

• Appearance: Solid black granula
• Specific gravity: 1.82

Recommended Treatment

• Add15-20 ppb as a background concentration for seepage and lost circulation control
• Add 20-50 ppb for partial losses or in conjunction with other LCMs when drill permeable formations
• Add 10 ppb as lubricity spot and sweeps for torque and drag reduction

Package

• 25 KG SACK

Section 8 Lost Circulation Materials Seal costly loss zones and preserve operational integrity.
No.	Product Code	SHARK	Product Description	Applications/Functions
57	DFS08-001	CARB 5	Sized calcium carbonate	Acid-soluble calcium carbonate bridging agent
58	DFS08-002	CARB 25	Sized calcium carbonate	Acid-soluble calcium carbonate bridging agent
59	DFS08-003	CARB 50	Sized calcium carbonate	Acid-soluble calcium carbonate bridging agent
60	DFS08-004	CARB 150	Sized calcium carbonate	Acid-soluble calcium carbonate bridging agent
61	DFS08-005	CARB 400	Sized calcium carbonate	Acid-soluble calcium carbonate bridging agent
62	DFS08-006	CARB 600	Sized calcium carbonate	Acid-soluble calcium carbonate bridging agent
63	DFS08-007	CARB 1200	Sized calcium carbonate	Acid-soluble calcium carbonate bridging agent
64	DFS08-008	CARB 2500	Sized calcium carbonate	Acid-soluble calcium carbonate bridging agent
65	DFS08-009	ECOFYBER® F	Micronized cellulose fiber	Bridging and sealing agent
66	DFS08-010	ECOFYBER® M	Micronized cellulose fiber	Bridging and sealing agent
67	DFS08-011	ECOFYBER® C	Micronized cellulose fiber	Bridging and sealing agent
68	DFS08-012	NUTSEAL® F	Nut Shells-Fine	Granular lost circultion additive
69	DFS08-013	NUTSEAL® M	Nut Shells-Medium	Granular lost circultion additive
70	DFS08-014	NUTSEAL® C	Nut Shells-Coarse	Granular lost circultion additive
71	DFS08-015	G-BLOK® 25	Resilient Graphite	Highly resilient and carbon-based LCM
72	DFS08-016	G-BLOK® 50	Resilient Graphite	Highly resilient and carbon-based LCM
73	DFS08-017	G-BLOK® 100	Resilient Graphite	Highly resilient and carbon-based LCM
74	DFS08-018	G-BLOK® 400	Resilient Graphite	Highly resilient and carbon-based LCM
75	DFS08-019	G-BLOK® 1000	Resilient Graphite	Highly resilient and carbon-based LCM
76	DFS08-020	OSTOP®	One Sack Solution LCM for severe and total loss	High Fluid Loss Squeeze, apply to severe and total loss
77	DFS08-021	OMNISEAL®	One Sack solution LCM for all types of mud loss	Engineered blend of flake,granular and fibrous materials
78	DFS08-022	VERSASEAL®	One Sack solution LCM for all types of mud loss	Engineered blend of flake,granular and fibrous materials
79	DFS08-023	FLEXSEAL®	One Sack solution LCM for controlling seeapage lose in depleted formations and sealing permeable sands	Unique elastomeric sealant material. Highly compressive and deformable with high tensile and shear strength
80	DFS08-024	ECOBLEN® M	Blended types of LCM	Specialized blend of flake,granular and fibrous materials
81	DFS08-025	ECOBLEN® C	Blended types of LCM	Specialized blend of flake,granular and fibrous materials