MOBILE <480
SMALL >=480
MEDIUM >=880
BIG >=1020
LARGE >=1200

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Ti-Mo Anti-corrosion and Anti-wear Coating Tubing (TMAAT)

Ti-Mo Anti-corrosion and Anti-wear Coating Tubing (TMAAT)

Product Overview:

Titanium molybdenum (Ti-Mo) powder coating is new, solvent-free powder coating developed under our own intellectual property rights. Being pollution-free and poison-free, Ti-Mo powder coating is made of special resin with addition of superfine, wear-resistant material and latent curing agent, ground to powder form using advanced grinding technology. After spreading, fusion and solidification, the Ti-Mo powder coating forms a smooth, compact and continuous anticorrosion and anti-wear coating layer that effectively prevents abrasive wear, oxidative wear and fatigue wear.

Product Characteristics:

With a perfect combination of multiple properties, Ti-Mo powder coating meets the strict environmental requirements of well bores.

  • Black in color
  • Excellent anticorrosion
  • long term use without cracking in down-hole muggy situations
  • Good oleo phobic property effectively slowing the speed of paraffin precipitation deposition
  • Unique self-lubricating property that protects grinding pairs
  • Decreasing descending resistance, energy saving
  • Controllable coating thickness (about 800 to 1000 µm) for meeting drift diameter requirements
  • Tubing with damaged outer thread can be rethreaded or remodeled to pup joints

Applications:

Suitable for:

  • Pumping wells & electrical submersible pump wells

Unsuitable for:

  • Gas wells
  • High-temperature wells (over 150℃)
  • Well with oil-gas ratio over 80 m3/t
  • Sour oil/gas well (having significant amount of H2S)
  • Gas lifting oil recovery
  • Heavy oil steam thermal recovery well with “huff & puff”

Ti-Mo powder coating, when applied to damaged tubing (in accordance with Q/SH1020 1942-2008 standard), can isolate the corrosion product film and corrosive medium thereon, effectively prevent corrosive wear and fatigue wear from happening, and recovering damaged tubing as new with a three times repairing-free period.

Main properties, indexes and technical parameters of TMAAT:

ItemUnitTechnical ParametersStandard
Powder appearance/Uniform color, without clottingVisual inspection
DensityG/cm3≥ 1.5GB 4472
Distribution of grain diameter≥ 250um%≤ 0.2GB 6554
≥ 150um%≤ 3.0GB6554
Content of non-volatile material%≥ 99.4GB 6554
Gel time (230℃)s≤ 60GB 6554
Content of magnetic material%≤ 0.002JB/T 6570
Coating appearance/black, smooth and uniform colour;
without bubble, flaw and shrinkage cavity;
slight wrinkle pattern is allowed
Visual inspection
Coating hardness/≥ 3HGB/T 6739
Impact resistanceJ≥ 22SY/T 0442-97
Wear ResistanceShakeout methodL/µm≥ 4SY/T 0315
Abrasion instrument method JM-IV

(CS-17 grinding wheel, 1000g/1000 rounds)
mg≤ 10GB/T 1768
Salt moisture test/Non crossing ≥ 3000hGB/T 1771
Resistance to Chemical SubstanceHCl (10%), room temperature, 90d/No bubble, spot or cracking
Slight color changing is allowed
SY/T 0442-97
NaOH (10%), room temperature, 90d/
H2SO4 (10%) room temperature, 90d/
NaCl (3.5%),80℃,90d/
Oil field waste water, 80℃, 90d/
Crude oil,80℃,90d/
Gasoline, #97, Room temperature, 90d/
Diesel, #0, Room temperature, 90d/
Kerosene, Room temperature, 90d/
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