IP Library Granted Patent US 10,077,395
Granted Patent B2
US 10,077,395 · App. 14/802,761 · Granted Sep 18, 2018

Proppant particles formed from slurry droplets and methods of use

Inventors: Benjamin T. Eldred (Houston, TX); Brett A. Wilson (Cypress, TX); Clayton F. Gardinier (Houston, TX); Robert Duenckel (Colorado Springs, CO)
Assignee: CARBO Ceramics Inc.
C09K8/62C04B33/04C04B35/111C04B35/622C04B35/624C04B35/636C04B38/009C09K8/80C04B2235/3208C04B2235/444C04B2235/528C04B2235/60C04B2235/77C04B2235/94C04B2235/96Y10T428/2982
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Quick Facts
Patent No.
US 10,077,395
App. No.
14/802,761
Granted
Sep 18, 2018
Kind
B2
Abstract

Proppant particles formed from slurry droplets and methods of use are disclosed herein. The proppant particles can include a sintered ceramic material and can have a size of about 80 mesh to about 10 mesh and an average largest pore size of less than about 20 microns. The methods of use can include injecting a hydraulic fluid into a subterranean formation at a rate and pressure sufficient to open a fracture therein and injecting a fluid containing a proppant particle into the fracture, the proppant particle including a sintered ceramic material, a size of about 80 mesh to about 10 mesh, and an average largest pore size of less than about 20 microns.

Claims (30)

1. A method of hydraulic fracturing a subterranean formation, comprising:

injecting a hydraulic fluid into the subterranean formation at a rate and pressure sufficient to open a fracture therein; and

injecting a fluid containing a proppant particle having a size of about 80 mesh to about 10 mesh, a porosity, and an average surface roughness of from about 0.1 micron to about 4 microns into the fracture, the proppant particle comprising a sintered ceramic material.

2. The method of claim 1 , wherein the sintered ceramic material has an alumina concentration of at least about 40 wt %.

3. The method of claim 2 , wherein the sintered ceramic material has the alumina concentration of at least about 95 wt %.

4. The method of claim 1 , wherein when the proppant particle is subjected to impingement under a gas-entrained velocity of about 260 m/s onto a flat mild steel target, the target experiences an erosivity of about 1 mg/kg to about 100 mg/kg.

5. The method of claim 1 , wherein the proppant particle loses less than 15% of its conductivity at 20,000 psi after being subjected to 5 cycles of cyclic loading under stresses from about 12,000 psi to about 20,000 psi.

6. The method of claim 1 , wherein injecting the fluid containing the proppant particle into the fracture results in a pack of the proppant particle, the pack having a long-term permeability greater than 130 darcies at a stress of 10,000 psi and a temperature of 250° F., as measured in accord with ISO 13503-5 when the proppant particle has a size of about 20-40 mesh and a specific gravity of less than 2.7.

7. The method of claim 1 , wherein the proppant particle has a bulk density of about 1.35 g/cc to about 2.1 g/cc.

8. The method of claim 7 , wherein the proppant particle has a specific gravity of about 2.5 g/cc to about 4.0 g/cc.

9. The method of claim 1 , wherein the proppant particle has a surface roughness of less than about 2 microns.

10. A method of hydraulic fracturing a subterranean formation, comprising:

injecting a hydraulic fluid into the subterranean formation at a rate and pressure sufficient to open a fracture therein; and

injecting a fluid containing a proppant particle into the fracture, the proppant particle comprising:

a sintered ceramic material;

a size of about 80 mesh to about 10 mesh;

a porosity; and

a surface roughness of less than about 2 microns.

11. The method of claim 10 , wherein the sintered ceramic material has an alumina concentration of at least about 40 wt %.

12. The method of claim 11 , wherein the sintered ceramic material has the alumina concentration of at least about 95 wt %.

13. The method of claim 10 , wherein the proppant particle has an interconnected porosity of at least about 25%.

14. A method of hydraulic fracturing a subterranean formation, comprising:

injecting a hydraulic fluid into the subterranean formation at a rate and pressure sufficient to open a fracture therein; and

injecting a fluid containing a proppant particle having a size of about 80 mesh to about 10 mesh, a porosity, and an average surface roughness of from about 0.8 micron to about 2 microns into the fracture, the proppant particle comprising a sintered ceramic material.

15. The method of claim 14 , wherein the sintered ceramic material has an alumina concentration of at least about 40 wt %.

16. The method of claim 15 , wherein the sintered ceramic material has the alumina concentration of at least about 95 wt %.

17. The method of claim 14 , wherein the proppant particle has a bulk density of about 1.35 g/cc to about 2.1 g/cc.

18. The method of claim 17 , wherein the proppant particle has a specific gravity of about 2.5 g/cc to about 4.0 g/cc.

19. The method of claim 14 , wherein the proppant particle has a surface roughness of from about 0.8 micron to about 1.6 microns.

20. The method of claim 14 , wherein the proppant particle has an interconnected porosity of at least about 25%.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 18, 2018
From: ELDRED, BENJAMIN T.; WILSON, BRETT A.; GARDINIER, CLAYTON F.; DUENCKEL, ROBERT
To: CARBO CERAMICS, INC.
Reel/Frame 047810/0979 →
RELEASE OF SECURITY INTEREST Recorded Mar 3, 2017
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: CARBO CERAMICS INC.; ASSET GUARD PRODUCTS INC. (F/K/A FALCON TECHNOLOGIES AND SERVICES, INC.); STRATAGEN, INC.
Reel/Frame 041879/0930 →
PATENT SECURITY AGREEMENT Recorded Apr 28, 2016
From: CARBO CERAMICS INC.; FALCON TECHNOLOGIES AND SERVICES, INC.; STRATAGEN, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 038555/0688 →
Continuity (5)
Continuation In Part 14502483 · Sep 30, 2014
Continuation In Part 13608530 · Sep 10, 2012
Continuation In Part 13357141 · Jan 24, 2012
Continuation In Part 13045980 · Mar 11, 2011
Related Publication 20160017214A1 · Jan 21, 2016
Cited By (2)
US 12,473,237 US 12,502,649