Dehydrator system and methods of using the same

• US 10,640,405 B2
• Filed: 08/27/2018
• Issued: 05/05/2020
• Est. Priority Date: 03/18/2015
• Status: Active Grant

• Current Assignee: Q'Max Solutions, Inc.
• Original Assignee: Q'Max Solutions, Inc.
• Inventors: Pazan, Herbert Raza
• Primary Examiner(s): Spies, Bradley R
• Application Number:
  US16/113,821
• Publication Number:
  US 20190169052A1
• Time in Patent Office: 617 Days
• Field of Search: None
• CPC Class Codes: B01D 21/0042 Baffles or guide plates
• CPC Class Codes: B01D 21/0045 Plurality of essentially parallel plates
• CPC Class Codes: B01D 21/0087 Settling tanks provided with means for ensuring a special flow pattern, e.g. even inflow or outflow B01D21/2411 takes precedence
• CPC Class Codes: B01D 21/01 using flocculating agents for purifying water C02F1/52; for liquid radioactive waste G21F9/10
• CPC Class Codes: B01D 21/08 provided with flocculating compartments
• CPC Class Codes: B01D 21/2422 Vertically arranged feed points
• CPC Class Codes: B01D 21/245 Discharge mechanisms for the sediments
• CPC Class Codes: B01F 21/10 using driven stirrers
• CPC Class Codes: B01F 2101/305 Treatment of water, waste water or sewage
• CPC Class Codes: B01F 2101/49 Mixing drilled material or ingredients for well-drilling, earth-drilling or deep-drilling compositions with liquids to obtain slurries
• CPC Class Codes: B01F 23/43 using driven stirrers
• CPC Class Codes: B01F 23/45 using flow mixing
• CPC Class Codes: B01F 25/4231 using baffles
• CPC Class Codes: B01F 25/4521 the components being pressed through orifices in elements, e.g. flat plates or cylinders, which obstruct the whole diameter of the tube
• CPC Class Codes: B01F 27/113 Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
• CPC Class Codes: B01F 27/192 with dissimilar elements
• CPC Class Codes: B01F 33/8212 with moving and non-moving stirring devices
• CPC Class Codes: B01F 35/712 for feeding fluids
• CPC Class Codes: C02F 1/5227 Processes for facilitating the dissolution of solid flocculants in water
• CPC Class Codes: C02F 1/5281 Installations for water purification using chemical agents
• CPC Class Codes: C02F 1/56 : Macromolecular compounds
• CPC Class Codes: C02F 11/121 : by mechanical de-watering
• CPC Class Codes: C02F 11/147 : using organic substances C02F11/148 takes precedence
• CPC Class Codes: C02F 2001/007 : Processes including a sedimentation step
• CPC Class Codes: C02F 2201/008 : Mobile apparatus and plants, e.g. mounted on a vehicle for biological treatment C02F2203/008
• CPC Class Codes: C02F 2301/022 : Laminar
• CPC Class Codes: C02F 2301/024 : Turbulent
• CPC Class Codes: E21B 21/066 : with further treatment of the solids, e.g. for disposal

Abstract

Provided herein are solids removal systems for dehydrator systems comprising a large rotating paddle, a small rotating paddle, and a drive shaft. The dehydrator system also includes a core dehydrator and a mixing unit. The core dehydrator comprises a plurality of small deflector plaques in fluidic communication with a plurality of large deflector plaques. The mixing unit includes a rapid mixing manifold in fluidic communication with a plurality of vertical flocculators and the core dehydrator. The large rotating paddle and the small rotating paddle of the solids removal system are connected to the drive shaft and configured to remove solids from the core dehydrator.

Claims

1. A dehydrator system comprising a mixing unit, a core dehydrator and a solids removal system, wherein the mixing unit comprises a rapid mixing manifold positioned and a plurality of flocculator chambers;

the core dehydrator comprises a clarifying sediment chamber having a plurality of small deflector plaques and a plurality of large deflector plaques and a drag solid transition zone, each of the plurality of small deflector plaques being positioned at different heights,

wherein the rapid mixing manifold is positioned in the mixing unit and is in fluidic communication with the plurality of flocculator chambers, the clarifying sediment chamber is in fluidic communication with the drag solid transition zone, the drag solid transition zone is in fluidic communication with the plurality of flocculator chambers; and

the solids removal system is fluidic communication with the drag solid transition zone of the core dehydrator, the solids removal system comprises a large rotating paddle, a small rotating paddle, and a drive shaft, the drive shaft is configured to rotate the large rotating paddle and the small rotating paddle, and the large rotating paddle and the small rotating paddle are configured to move solids out of the core dehydrator.

2. The dehydrator system of claim 1, wherein the mixing unit further comprises a plurality of stir tanks.

3. The dehydrator system of claim 1, wherein the mixing unit further comprises a mud conditioning tank.

4. The dehydrator system of claim 1, wherein the core dehydrator further comprises a large cylindrical section and a small cylindrical section in fluidic communication with the large cylindrical section.

5. The dehydrator system of claim 4, wherein the large rotating paddles are positioned with the large cylindrical section.

6. The dehydrator system of claim 4, wherein the small rotating paddle is positioned within the small cylindrical section.

7. The dehydrator system of claim 1, further comprising a solids pump in fluidic communication with the core dehydrator.

8. A method of removing solids from drilling fluids comprising the steps of:

providing drilling fluids to a dehydrator system comprising a solids removal system in fluidic communication with a core dehydrator, wherein the core dehydrator comprises a clarifying sediment chamber comprising a plurality of small deflector plaques and a plurality of large deflector plaques, each of the plurality of small deflector plaques being positioned at different heights,

the solids removal system comprises a large cylindrical section, a large rotating paddle, a small cylindrical section, a small rotating paddle and a drive shaft, the drive shaft is connected to the large rotating paddle and the small rotating paddle, and the large cylindrical section and the small cylindrical section are in fluidic communication with the plurality of small deflector plaques and the plurality of large deflector plaques;

mixing drilling fluids with polymer solution in a mixing unit to produce flocculated drilling fluids comprising micro-floccules;

collecting micro-floccules with the small deflector plaques and the large deflector plaques wherein micro-floccules agglutinate and enlarge producing solids;

separating the solids from the flocculated drilling fluids; and

removing solids from the dehydrator system, wherein the large rotating paddle and the small rotating paddle are configured to move solids from the large cylindrical section to the small cylindrical section and out of the dehydrator system.

9. The method of claim 8, wherein the drilling fluids are rapidly mixed creating a turbulent fluid flow.

10. The method of claim 8, wherein drilling fluids and polymer solution are mixed under turbulent fluid flow.

11. The method of claim 8, wherein the turbulent fluid flow transitions to a laminar flow.

14. The solids removal system of claim 11, wherein the small rotating paddle is position with a small cylindrical section of the core dehydrator.

15. The solids removal system of claim 11, further comprising a solids pump connected to the core dehydrator.

12. A solids removal system for a dehydrator system, the dehydrator system having a core dehydrator and a mixing unit, the core dehydrator comprising a clarifying sediment chamber comprising a plurality of small deflector plaques in fluidic communication with a plurality of large deflector plaques, each of the plurality of small deflector plaques being positioned at different heights, and the mixing unit comprising a rapid mixing manifold in fluidic communication with a plurality of vertical flocculators, the solids removal system comprising:

a large rotating paddle;

a small rotating paddle; and

a drive shaft, wherein the large rotating paddle and the small rotating paddle are connected to the drive shaft and in fluid communication with core dehydrator to dispose solids from the dehydrator system.

13. The solids removal system of claim 12, wherein the large rotating paddle is positioned within a large cylindrical section of the core dehydrator.