Chemical Injection In Oil and Gas 
Description
The Retractable Chemical Injection Quill is a critical component of the chemical injection system, specifically designed for the efficient and safe introduction of chemical inhibitors into pipelines. This device plays a vital role in the corrosion control strategy by allowing for the periodic injection of inhibitors directly into the pipeline’s flow, even under full operating pressures, ensuring continuous protection against corrosion.
1. Order Information of Retractable Chemical Injection Quill
Access Fitting Body
| Model | ||||||
| EMT-CIPA | Retractable Chemical Injection Quill | |||||
| – The material of Access Fitting Body | ||||||
| 0 | CS | |||||
| 1 | 316SS | |||||
| 2 | 316LSS | |||||
| 3 | DUPLEX SS | |||||
| The Type of Access Fitting Body | ||||||
| B | 2″Welded（suffix “pressure rating” can be added to B） | |||||
| F | 2″ANSI Flange（suffix “pressure rating & sealing type” can be added to F） | |||||
| -Tee Size- pressure rating & sealing type if flanged end | ||||||
| 0 | No Tee | |||||
| 1 | 1/4″NPT(F)Tee | |||||
| 2 | 1/2″NPT(F)Tee | |||||
| 3 | 3/4″NPT(F)Tee | |||||
| 4 | 1″NPT(F)Tee | |||||
| 5 | Hole for 1/4″SWN Flange | |||||
| 6 | Hole for 1/2″SWN Flange | |||||
| 7 | Hole for 3/4″SWN Flange | |||||
| 8 | Hole for 1″SWN Flange | |||||
| -Protective Cover Type/ Material | ||||||
| 0 | No Protective Cover | Material | ||||
| 1 | Without hole | CS or 0 | ||||
| 2 | With hole | SS or 1 | ||||
| 3 | Bleed Valve | DSS or 3 | ||||
| 4 | Bleed Valve, & Pressure Gauge | |||||
| For Example：EMT-CIPA-0F600#RF-2-1/CS shows 2″ANSI 600#RF Flange Access Fitting Body in CS, 1/2″NPT(F)Tee, Protective Cover in CS without hole 0F600#RF: 0F_ Access Fitting Body is Flanged in CS , 600#RF _Size is 2″ANSI 600#RF , 2:Tee size is 1/2NPT(F) 1: Protective cover type is without hole /CS: Protective cove material in CS | ||||||
Sampler & Injector
| Model | |||||||||||||||||||||||||
| SI | Sampler & Injector Retractable Chemical Injection Quill | ||||||||||||||||||||||||
| -Code | Plug | ||||||||||||||||||||||||
| Pxxx | Type | Material | Sealing Material | ||||||||||||||||||||||
| 0 | No Request | 0 | CS | 0 | No Request | ||||||||||||||||||||
| 1 | Hollow Plug Body | 1 | 316SS | 3 | DSS | 1 | Viton O-Ring / PTFE Primary Packing | ||||||||||||||||||
| 2 | Solid Plug Body | 2 | 316LSS | 4 | INCONEL | 2 | HNBR | ||||||||||||||||||
| – Code | Injection Nut | ||||||||||||||||||||||||
| Nxx | Connection Size | Material | |||||||||||||||||||||||
| 0 | No Request | 0 | CS | ||||||||||||||||||||||
| 1 | 1/4″ | 1 | 316SS | 3 | DSS | ||||||||||||||||||||
| 2 | 1/2″ | 2 | 316LSS | 4 | INCONEL | ||||||||||||||||||||
| – Code | Sampling & Injection Tube | ||||||||||||||||||||||||
| Sxxx-Lx″ | Connection Size | Material | Nozzle | Line size(x″) | |||||||||||||||||||||
| 0 | No Request | 0 | CS | 0 | No Request | The most effective position for injection is generally at the center of the pipe | |||||||||||||||||||
| 1 | 1/4″ | 1 | 316SS | 1 | Open | ||||||||||||||||||||
| 2 | 1/2″ | 2 | 316LSS | 2 | Quill | ||||||||||||||||||||
| 3 | DSS | 3 | Cap & Core | ||||||||||||||||||||||
| 4 | INCONEL | ||||||||||||||||||||||||
| – Code | Type and Size of components connected to Tee and material of components | ||||||||||||||||||||||||
| Txx | Connection Size | Material | |||||||||||||||||||||||
| 0 | No Request | 0 | CS | ||||||||||||||||||||||
| 1 | 1/4″Nipple | a | 1/4″Nipple and Valve | 1 | 316SS | ||||||||||||||||||||
| 2 | 1/2″Nipple | b | 1/2″Nipple and Valve | 2 | 316LSS | ||||||||||||||||||||
| 3 | 3/4″Nipple | c | 3/4″Nipple and Valve | 3 | D SS | ||||||||||||||||||||
| 4 | 1″Nipple | d | 1″Nipple and Valve | 4 | INCONEL | ||||||||||||||||||||
| 5 | 1/4″SWN Flange* | e | 1/4″Nipple and Flange | ||||||||||||||||||||||
| 6 | 1/2″SWN Flange | f | 1/2″Nipple and Flange | ||||||||||||||||||||||
| 7 | 3/4″SWN Flange | g | 3/4″Nipple and Flange | ||||||||||||||||||||||
| 8 | 1″SWN Flange | h | 1″Nipple and Flange | ||||||||||||||||||||||
| For Example：SI-P221-N12-S122-L4″-T22 SI：Sampling & Injection Assembly，P221: Solid Plug Body in 316LSS Viton O-Ring and PTFE Primary Packing，N12：Injection Nut Connection Size is 1/4″and Material is 316LSS，S122：Injection Tube Connection Size is 1/4″ and Material is 316LSS.Type of nozzle is quill，L4″：For 4″pipe. T22: Connection Size of Nipple connected to Tee is 1/2″NPT(M), Nipple material is 316LSS | |||||||||||||||||||||||||
Note: SWN Flange is special WN Flange
Example for a set of Sampler & Injector Assembly:
EMT-CIPA-0F600#RF-2-1+ SI-P221-N12-S122-L4″-T22
2. Design and Functionality of Retractable Chemical Injection Quill
The Retractable Chemical Injection Quill is engineered for easy and reliable access and is equipped with various nozzle types to match specific injection requirements. Its design facilitates the safe injection of chemicals without the need to shut down system operations, which is crucial for maintaining uninterrupted pipeline service.
3. Connection and Installation:
For diverse application adaptability, the quill supports multiple process connection sizes including a 2″ flange, a 2″ Flareweld access fitting, and a 1″ Nipple to NPT ball valve. These options provide flexibility in installation and ensure compatibility with various pipeline specifications.
4. Operating Conditions:
The Retractable Chemical Injection Quill is built to withstand extreme operating conditions:
- Temperature Range: Capable of functioning effectively within a temperature range from -20 ℃ to 150 ℃, suitable for various environmental conditions.
- Pressure Rating: Designed to handle pressures up to 6000 PSI, or as determined by the flange size, which allows it to operate safely under high-pressure scenarios typical in industrial pipeline systems.
5. Benefits of Retractable Chemical Injection Quill
Enhanced Operational Efficiency:
The design of the retractable quill allows for precise and controlled injection of chemicals, optimizing the use of inhibitors and reducing waste. This precision ensures that the exact amount of chemical needed is delivered directly into the flow of the pipeline, maintaining optimal concentrations for corrosion control without overuse of chemicals, which can be costly and environmentally unfriendly.
Improved Safety:
Safety is paramount in industrial operations, and the retractable quill contributes significantly to safe practices. Its design minimizes the risk of chemical leaks and exposure, protecting workers from potentially hazardous substances. The quill’s secure attachment to the pipeline system also reduces the likelihood of accidental disconnections or spills during operation.
Long-term Reliability and Durability:
Constructed from materials capable of withstanding harsh environments, such as high-grade stainless steel, the quill is designed to resist wear and corrosion over extended periods. This durability ensures that the quill can perform reliably in various operational conditions, from extreme temperatures to high pressures, which are common in industrial pipeline systems.
Maintenance of System Integrity:
Regular and precise Retractable Chemical Injection Quill is crucial for maintaining the integrity of pipelines. By preventing corrosion effectively, the retractable quill helps extend the lifespan of pipeline infrastructure, reducing the frequency and costs associated with maintenance and repairs. This proactive approach to maintenance helps avoid unexpected system failures that can cause operational disruptions and significant financial losses.
Compliance with Regulations:
Many industries are governed by strict environmental and safety regulations regarding chemical handling and pipeline safety. The retractable quill helps operators comply with these regulations by providing a controlled, leak-proof system for chemical injection. This compliance is not just beneficial for adhering to legal standards but also for maintaining corporate responsibility and protecting the environment from potential contamination.
Versatility in Application:
The Retractable Chemical Injection Quill’s design allows for its use in a variety of settings and with multiple connection types, making it a versatile tool suitable for different pipeline systems and operational requirements. This versatility ensures that operators can implement the quill in numerous parts of their operations without needing specialized or additional equipment.
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