The immersion hydro-vibration setting is intended for the boring drilling on the depth of to 8 m and diameter 130 mm in the breeds of the I-IV categories on drilling at searches and secret service of submarine deposits of building materials marine mineral deposits of different minerals engineering-geological researches on a sea and other reservoirs at the depth of water of to 50 m with middling and smalling drilling of courts. To appropriate the name to setting "Setting of hydro-vibration
immersion ".

Purpose of creation of marine a test-selecting for the well-boring in depth 50 m on the loose ground deposits of the I-IV categories from the layer of the VI categories for drilling from middling boring ships.

NEW HARDWARES AND TECHNOLOGY FOR AN INTERVAL BORING DRILLING DEEP ENGINEERING-GEOLOGICAL MINING HOLES ON SHELF

     Mastering of oil and gases deposits of shelf requires conducting of detailed engineering-geological researches necessary for building of marine drilling of platforms and gasket submarine pipelines. Drilling is major component part of researches works the results of which enable it is correct to interpret information got at geophysical researches of bottom, and, in the end, to define the geological structure of the mastered area of shelf. Boring works include the well-boring shallow in depth 4-6 m (a test-selection) and boring drilling engineering-geological mining holes the depth of which is determined by terms beddings of breeds of the mineral bottom hidden under the deposits of unsteady breeds (Lees, sands and etc), and does not usually exceed 25-30 m.

                                                                

Chart of work of setting of multitrip boring drillings:
(Width 115/Height 299/frame 5/File size;52,4 KB)

     For realization of the offered technology multitrip boring drilling it was decided to use the immersing hydro shock-worker setting boring drilling of UGVP-130/8 m, used for conducting of a test-selection. In composition of setting the hydro shock-worker boring shell of setting of UGVP-130/8 enters and frame support similar to support of setting of PUVB-150.

Immersion options.

Technical descriptions UGVP Parameters Type of setting UGVP-130 UGVP-150 Diameter of hydro shock-worker, mm Depth of the boring drilling after trip, m Diameter of test-soil, mm Output of test-soil, % Speed of the boring drilling, m/min Length of setting, m Mass of setting, kg 108 8 90 80..100 1 - 1.7 10 375 127 6 112 80..100 1 - 1.5 8 500

Technical description of hydro shock-worker boring shell

Name

Value of parameter

Hydro shock-worker mechanism Sizes: - outward diameter - length - mass Working description: - expense of liquid - pressure on drive - frequency of shots - energy of blow - power on drive test-soil pipe set (complete sets) Outward pipe: - diameter (outward / internal), mm - length, mm Internal test-soil pipe: - diameter (outward / internal), mm - length, mm Shoe cutting - diameter (outward / internal), mm - corner pryostrenyya, Test-soil to tear Starting knot: - overhead - lower

Hydro shock-worker differential action 127 mm 2300 mm 160 kg 230 - 250 l/min 2 - 4 MPa 20 - 25 Hz 80 - 110 Dg 8-15 kVt Double kolonkovaya pipe 127/117 4250, 5250, 6250 108/98 4000, 5000, 6000 130/94 30о Petalous type Piston, with the fixed position and forced by the control by pressure of liquid Slide-valve type with by the operative management by speed pressure of liquid

а)                        б)

    Picture. 1 –Composition and chart of hydro shock boring shell and chart of distributing of liquid: а) – in the mode of hydro washing-away precipitations; b) – in the mode of selection of test-soil; 1 – hydro shock-worker; 2 is pump block; 3 – test-soil pipe set; 4 is overhead starting knot; 5 is lower starting knot; 6 – shoe; 7 - test-soil to tear

    

CONCLUSION

    New technology multitrip well-boring with the use of options of series of UMB-130 allows to eliminate the use of boring and external pipes clay and special solutions for washing of mining holes. At driving of mining holes is assumed possibility of partial drift of boring ship in relation to the point of the boring drilling. Technical descriptions of options allow to use them on courts and ships of different type with the sufficient power providing, equipped by the proper getting up mechanisms and having possibility of raising of forage anchor.

Literature

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