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Lignite Resin

  • Lignite Resin
  • Lignite Resin

Lignite Resin

CAS No.: 9003-35-4
It is a chemical additive specifically for oilfield drilling, mainly used to reduce drilling fluid loss. It has high temperature and salt resistance properties and is usually a dark brown powder.
Phone ：+86 13589142075
WhatsApp ：+86 13589142075
Email ：jake@jnsychemicals.com
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Product Description


Basic Information

Product NameLignite Resin (SPNH)
Main CompositionCopolymer of sulfomethyl phenolic resin and nitrohumic acid (modified lignite product)
Temperature Resistance180~220℃
Main FunctionsHigh-temperature fluid loss control, wellbore stabilization, viscosity reduction, salt/calcium resistance
Applicable SystemFreshwater, saltwater, and brine water-based drilling fluids (especially high-temperature deep wells)
Common CodeSPNH (standard industry designation)
CAS NotePolymer mixture, typical CAS: 9003-35-4


Physical and Chemical Properties

AppearanceBrown to black fine powder
Moisture Content≤10.0%
pH Value (1% aqueous solution)6.0~8.0
FinenessOver 90% pass 100-mesh sieve
SolubilitySoluble in water (alkaline conditions enhance solubility)
Thermal StabilityMaintains performance at ≤200℃
CompatibilityExcellent with other drilling fluid additives


Core Performance and Chemical Characteristics

High-Temperature Fluid Loss ControlForms thin, tough mud cake to reduce filtration loss at high temperatures
Salt/Calcium ResistanceSulfonic acid groups provide strong hydration and stability in saline environments
Viscosity ReductionOptimizes rheology by reducing excessive viscosity (ideal for high-density muds)
Wellbore StabilizationInhibits shale hydration expansion, preventing wellbore collapse
Lubrication EnhancementImproves mud lubricity, reducing torque and drag during drilling
Broad CompatibilityWorks well with lignosulfonates, polyanionic cellulose, and other additives
Environmental FriendlinessLow toxicity, minimal environmental impact


Safety Information   

ToxicityNon-toxic to low toxicity
Health HazardDust may cause mild irritation to respiratory tract and eyes
Protective MeasuresWear dust mask, safety goggles, and protective gloves during handling
Storage ConditionSeal in cool, dry, well-ventilated area; avoid moisture and direct sunlight
TransportationClassified as ordinary industrial chemical
First AidRinse eyes/skin with plenty of water for 15 minutes if contact occurs
Waste DisposalDispose according to local environmental regulations; can be incinerated or landfilled (non-hazardous)


Factory Showcase

详情-工厂

Shipping and Transportation

Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!

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FAQ

Q1: What international standards do your products and services comply with?

A1: Our products fully comply with international standards such as REACH, MSDS, and COA, and we strictly implement the ISO9001 quality management system. We can also provide third-party testing reports (SGS, BV, etc.) according to customer needs.


Q2: How long does it take for goods to be delivered to my country?
A2: The delivery time depends on the transport mode and destination country. Generally, sea transport takes 15-30 days, air transport takes 3-7 days, and we will optimize the transport route to shorten the delivery time as much as possible.


Q3: Can you provide customs clearance services for dangerous chemicals?
A3: Yes. Our team is proficient in the customs clearance procedures for dangerous chemicals in various countries, and can provide professional compliant declaration and customs clearance services to ensure smooth customs clearance.


Q4: Do you provide customized product and service solutions?
A4: Yes. We can provide personalized product customization and export service solutions according to your specific needs (product specifications, application scenarios, procurement volume, etc.).

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