D&D DesignTech's Products

Sub-Surface Equipment
- On the downhole side of the installations, D&D has created a product line consisting of the following: Chemical Injection Valves, Chemical Injection Check Valves/Mandrels and Corrosion Coupon Holder Assemblies.


DCHA-10000
Downhole Coupon Holder Assembly



Specifications:
  Connection: Threaded for 1/4”x20x2” Coupon
Size: 3/4” dia. (Other Available On Request)
Length: Lengths Up to 6ft
Temp: Insulator Available Up to 450 degrees F
Materials: ss Standard
   
Features:
  Integrated Cage for Protection
Easy Coupon Access
Designed for Monitoring Below Injection Valve
Rigid or Wobble Bar Adaptable
MADE IN THE USA

DCIM-2000
Downhole Chemical Injection Check Valve

Specifications:
  Connection: 1/4" or 3/8” Tubing
Size: O.D. .740"
Length: 8 1/2"
Crack Pressure: 150 Psig
MAOP: 8000 Psig
Flow: 5 GPM @ 250 Psig
Materials: Elastomers and Metal Determined by Application
Nose Connection: Bullet Guide Nose or 1/4” NPT Waggle/Weight Bar Adapter
Balls: Nickel Carbide
Springs: Inconel®
Seats: 1) Nickel Carbide and 1) Metal Used in Construction of Valve
   
Features:
  Precision Ground Nickel Carbide Seat
Non-Adjustable
Double Check Valve
MADE IN THE USA
   
Design Advantages:
  Size:
• Allows Entry Into Smaller Casings
• Integral Check Valve
• Eliminates Need For Additional Check
Quality:
• Highest Quality Balls, Seats, Elastomers and Springs
Options:
• Available Weight Bar/Waggle Adapter
• Different Elastomers and Alloys
Shape:
• Integral Guide Tool Design
• Helps Reduce Hang-ups
   
Information:
  The DCIM-2000 Mandrel is designed to provide a simple double check injection device. This valve uses a light weight spring and ball for both checks. Being a check valve this valve will be affected by well pressures.
 
DCIV-6000
Downhole Chemical Injection Check Valve

Specifications:
  Connection: 1/4" or 3/8” Tubing
Size: O.D. 1"
Length: 7.5"
Crack Pressure: 500-8000 Psig Adjustable
MAOP: 10,000 Psig
Flow: 1.5 GPM at a set pressure of 1000 Psi
Materials: Elastomers and Metal Determined by Application
Nose Connection: Bullet Guide Nose/Weight/Waggle Bar Adapter or Side Entry

   
Features:
  Fully Adjustable
Ball Type Inlet Check Valve
Inconel® Springs
Higher Set Pressure Ability
MADE IN THE USA
   
Design Advantages:
  Quality:
• Highest Quality Balls, Seats, Elastomers and Springs
Options:
• Available Weight/Waggle Bar Adapter Or Side Entry
• Different Elastomers and Alloys
Shape:
• Integral Guide Tool Design
• Helps Reduce Hang-ups
   
   
Information:
  The DCIV-6000 valve is designed to insure consistent
injection of chemicals via a downhole coil tubing string.
This device greatly reduces the possibility of free
flowing chemical into the well and back flowing into the
tubing string.
 
DCIV-7000
Downhole Chemical Injection Check Valve


Specifications:
  Connection: 1/4" or 3/8" Tubing
Size: O.D. .750"
Length: 7.5"
Crack Pressure: 500-5000 Psig Adjustable
MAOP: 10,000 Psig
Flow: 1.5 GPM at a set Pressure of 1000 Psi
Materials: Elastomers and Metal Determined by Application
Nose Connection: Bullet Guide Nose or 1/4” NPT Weight/Waggle Bar Adapter
   
Features:
  Fully Adjustable
Ball Type Inlet Check Valve
Inconel® Springs
Patented Design
Minimally Affected by Fluctuating Well Pressures
MADE IN THE USA
   
Design Advantages:
  Size:
• Allows Entry Into Smaller Casings
• Integral Check Valve
• Eliminates Need For Additional Check
Quality:
• Highest Quality Balls, Seats, Elastomers and Springs
Options:
• Available Weight/Waggle Bar Adapter
• Different Elastomers and Alloys
Shape:
• Integral Guide Tool Design
• Helps Reduce Hang-ups
   
   
Information:
  The DCIV-7000 valve is designed to insure consistent
injection of chemicals via a downhole coil tubing string
regardless of either back pressure or well pressure.
This device greatly reduces the possibility of free
flowing chemical into the well and back flowing into the
tubing string due to changes in well and tubing
conditions or pressures . US Patent # 7341108
 
DCIV-8000
Downhole Chemical Injection Check Valve


Specifications:
  Connection: 1/4" or 3/8" Tubing
Size: O.D. .750"
Length: 9.2"
Crack Pressure: 900-1800 Psig Semi-Adjustable
MAOP: 8000 Psig
Flow: 3 GPM @ 1500 Psig
Materials: Elastomers and Metal Determined by Application
   
Features:
  Double Check Valve Design
One ss Seat and One Carbide Seat
Nickel Carbide Balls
Inconel® Springs
All 316 ss Construction or Other Alloy
MADE IN THE USA
   
Design Advantages:
  Size:
• Allows Entry Into Smaller Casings
• Integral Check Valve
• Eliminates Need For Additional Check
Quality:
• Highest Quality Balls, Seats, Elastomers and Springs
Options:
• Available Weight/Waggle Bar Adapter
• Different Elastomers and Alloys
Shape:
• Integral Guide Tool Design
• Helps Reduce Hang-ups
   
Information:
  The DCIV-8000 valve is capable of holding up to 1800
psi. back pressure. This device functions as a high
pressure spring loaded check valve, thus reducing the
possibility of free flowing chemical into the well and
back flowing into the tubing string due to changes in
well and tubing conditions or pressures. Being a check
valve by design this valve will be affected by well
pressures.
 
DSIV-4000
Downhole Chemical Injection Check Valve


Specifications:
  Connection: 1/4" Tubing
Size: O.D. .540"
Length: 4.9"
Crack Pressure: 1300-1500 Psig Non-Settable
MAOP: 3000 Psig
Flow: .5 GPM @ 1500 Psig
Materials: All 316 ss Construction
Nose Connection: Bullet Guide Nose
   
Features:
  Slim Hole Design
Single Check Valve
Non-Adjustable
MADE IN THE USA
   
Design Advantages:
  Size:
• Allows Entry Into Smaller Casings
• Integral Check Valve
• Eliminates Need For Additional Check
Shape:
• Integral Guide Tool Design
• Helps Reduce Hang-ups
   
Information:
  The DSIV-4000 valve is designed to provide a cost
effective solution for injection valve entry into restricted
spaces. While the O.D. of this valve is only .540” it is
capable of holding up to 1500 psi. back pressure. This
device functions as a high pressure spring loaded check
valve, thus greatly reducing the possibility of free
flowing chemical into the well and back flowing into the
tubing string due to changes in well and tubing
conditions or pressures. Being a check valve by design
this valve will be affected by well pressures.
 
WBAA-12
Wobble Bar Adapter Assembly

Specifications:
  Length: 12” & 24” Lengths Standard
Connection: 1/4” MNPT Standard
Size: O.D. .730
Materials: All 316 ss Construction
   
Features:
  Other Alloys Available
Custom Sizes & Configurations
Weighted Well Entry Guide
MADE IN THE USA
   
 
DCHA-10060
Downhole Coupon Holder Assembly

Specifications:
 

Connection: Threaded for 1/4”x20x2" Coupon
Size: 1 1/2" dia. (Others Available on Request)
Length: 7 1/2"
Temp: Insulator Available Up to 450 degrees F
Materials: ss Standard

   
Features:
  Integrated Cage for Protection
Easy Coupon Access
Designed for Monitoring Via Wireline Entry
Rigid Mount Designed For 3/4” Sucker Rod Connection
MADE IN THE USA
   
 
DCHA-10064
Downhole Coupon Holder Assembly

Specifications:
 

Connection: Threaded for 1/4”x20x2" Coupon
Size: 3/4" dia. (Others Available on Request)
Length: Lenghts Up to 2ft
Temp: Insulator Available Up to 450 degrees F
Materials: ss Standard

   
Features:
  Integrated Cage for Protection
Easy Coupon Access
Designed for Monitoring Below Injection Valve
Wobble Bar Adapter
MADE IN THE USA
   
 
DCIM-2MINI
Downhole Chemical Injection Check Valve

Specifications:
  Connection: 1/4" or 3/8” Tubing
Size: O.D. .740"
Length: 5"
Crack Pressure: 150 Psig
MAOP: 8000 Psig
Flow: 5 GPM @ 250 Psig
Materials: Elastomers and Metal Determined by Application
Nose Connection: 1/2” Male NPT For Side Pocket
Balls: Nickel Carbide
Springs: Inconel®
Seats: 1) Nickel Carbide and 1) Metal Used in Construction of Valve
   
Features:
  Precision Ground Nickel Carbide Seat
Non-Adjustable
Double Check Valve
MADE IN THE USA
   
Design Advantages:
  Size:
• Allows Entry Into Smaller Casings
• Integral Check Valve
• Eliminates Need For Additional Check
Quality:
• Highest Quality Balls, Seats, Elastomers and Springs
Options:
• Tubing Connection Size 1/4" or 3/8"
• Different Elastomers and Alloys
Shape:
• Integral Guide Tool Design
• Helps Reduce Hang-ups


   
Information:
  The DCIM-2MINI Mandrel is designed to provide a simple double check injection device for side pocket entry. This valve uses a light weight spring and ball for both checks. Being a check valve this valve will be affected by well pressures.