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US3721294A Expired / Lapsed US ⏱️ 0.0 years remaining

Underwater pipe connection apparatus

Assignee: Vetco Gray LLC
•
Filing: 1971-01-12
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Granted: 1973-03-20
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Expires: 1991-01-12
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Abstract

Abstract A flowline guide structure is lowered from a floating vessel along selected guide lines extending upwardly from the guide post of a previously installed standard guide structure suitably mounted at the upper end of a well bore drilled downwardly from the floor of an ocean or other body of water, the selected guide lines determining the direction in which flowlines are to extend, and which are to be secured to the flowline guide structure and appropriately aligned with flowline loops extending from a Christmas tree lowered along the guide lines and then connected to the wellhead, the flowlines being secured to the flowline loops in leak-proof relation.

Inventors

  • 👤 B Nelson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 16:02
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/01; E21B43/013; E21B43/0135

Claims Analysis

Total Claims: 19
Claim 1
Independent Claim 222 words
In apparatus wherein a guidance system is disposed at and extends upwardly from the floor of a body of water and through which a well bore has been drilled into the underlying formation, the combination therewith of a flowline guide structure movable downwardly along said system to a predetermined position, flowline alignment means secured to said flowline guide structure, fluid flow apparatus including one or more first flowlines and lowered along said system into communication with the well bore with end poRtions of said one or more flowlines facing said alignment means, one or more second flowlines adapted to be lowered through the body of water, after said flowline guide structure has been lowered to said predetermined position, connector means secured to said one or more second flowlines and engageable with said alignment means to position said connector means in alignment with said end portions of said one or more first flowlines, guide means adjacent to and disposed to one side of said flowline alignment means, means operatively connected to said guide means for moving said connector means and one or more second flowlines toward said guide structure to engage said connector means with said alignment means, and means for operatively connecting said one or more first flowlines and one or more second flowlines to each other, whereby fluid can flow therebetween.
Claim 2
Dependent Claim 222 words
In apparatus wherein a guidance system is disposed at and extends upwardly from the floor of a body of water and through which a well bore has been drilled into the underlying formation, the combination therewith of a flowline guide structure movable downwardly along said system to a predetermined position, flowline alignment means secured to said flowline guide structure, fluid flow apparatus including one or more first flowlines and lowered along said system into communication with the well bore with end poRtions of said one or more flowlines facing said alignment means, one or more second flowlines adapted to be lowered through the body of water, after said flowline guide structure has been lowered to said predetermined position, connector means secured to said one or more second flowlines and engageable with said alignment means to position said connector means in alignment with said end portions of said one or more first flowlines, guide means adjacent to and disposed to one side of said flowline alignment means, means operatively connected to said guide means for moving said connector means and one or more second flowlines toward said guide structure to engage said connector means with said alignment means, and means for operatively connecting said one or more first flowlines and one or more second flowlines to each other, whereby fluid can flow therebetween.
Claim 3
Dependent Claim 256 words
In apparatus wherein a guidance structure is disposed at and extends upwardly from the floor of a body of water and through which a well bore has been drilled into the underlying formation, the guidance structure including upwardly extending guide posts and guide lines extending upwardly from the posts, the combination therewith of a flowline guide structure movable along one or more selected guide lines and over one or more guide posts connected thereto, flowline alignment means secured to said flowline guide structure, fluid flow apparatus including one or more first flowlines and lowered down the guide lines and over the guide posts into communication with the well bore with end portions of said one or more flowlines facing said alignment means, one or more second flowlines adapted to be lowered through the body of water after said flowline guide structure has been moved over said one or more guide posts, connector means secured to said one or more second flowlines and engageable with said alignment means whereby said connector means is positionable in alignment with said end portions of said one or more first flowlines, guide means adjacent to and disposed to one side of said flowline alignment means, means operatively connected to said guide means for moving said connector means and one or more second flowlines toward said guide structure to engage said connector means with said alignment means, and means for operatively connecting said one or more first flowlines and one or more second flowlines to each other, whereby fluid can flow therebetween.
Claim 4
Dependent Claim 256 words
In apparatus wherein a guidance structure is disposed at and extends upwardly from the floor of a body of water and through which a well bore has been drilled into the underlying formation, the guidance structure including upwardly extending guide posts and guide lines extending upwardly from the posts, the combination therewith of a flowline guide structure movable along one or more selected guide lines and over one or more guide posts connected thereto, flowline alignment means secured to said flowline guide structure, fluid flow apparatus including one or more first flowlines and lowered down the guide lines and over the guide posts into communication with the well bore with end portions of said one or more flowlines facing said alignment means, one or more second flowlines adapted to be lowered through the body of water after said flowline guide structure has been moved over said one or more guide posts, connector means secured to said one or more second flowlines and engageable with said alignment means whereby said connector means is positionable in alignment with said end portions of said one or more first flowlines, guide means adjacent to and disposed to one side of said flowline alignment means, means operatively connected to said guide means for moving said connector means and one or more second flowlines toward said guide structure to engage said connector means with said alignment means, and means for operatively connecting said one or more first flowlines and one or more second flowlines to each other, whereby fluid can flow therebetween.
Claim 5
Dependent Claim 19 words
In apparatus as defined in claim 2; and means for securing said flowline guide structure to said guidance structure.
Claim 6
Dependent Claim 37 words
In apparatus as defined in claim 2; and means for securing said connector means to said alignment means, whereby said connector means will be in alignment with said end portions of said one or more first flowlines.
Claim 7
Dependent Claim 42 words
In apparatus as defined in claim 2; means for securing said flowline guide structure to said guidance structure; and means for securing said connector means to said alignment means in alignment with said end portions of said one or more first flowlines.
Claim 8
Dependent Claim 24 words
In apparatus as defined in claim 2; said connecting means including means for shifting said one or more first flowlines toward said connector means.
Claim 9
Dependent Claim 59 words
In apparatus as defined in claim 2; means for securing said flowline guide structure to said guidance structure; and means for securing said connector means to said alignment means in alignment with said end portions of said one or more first flowlines, said connecting means including means for shifting said one or more first flowlines toward said connector means.
Claim 10
Dependent Claim 233 words
In apparatus wherein a guidance system is disposed at and extends upwardly from the floor of a body of water and through which a well bore has been drilled into the underlying formation, the combination therewith of a flowline guide structure movable downwardly along said system to a predetermined position, flowline alignment means secured to said flowline guide structure, fluid flow apparatus including one or more first flowlines and lowered along said system into communication with the well bore with end portions of said one or more flowlines facing said alignment means, a guide assembly lowered along said system to a location adjacent to said flowline guide structure, a carrier, one or more second flowlines carried by said carrier and adapted to be lowered therewith through the body of water after said flowline guide structure has been moved to said predetermined position, connector means secured to said one or more second flowlines, and means interconnecting said guide assembly and carrier for pulling said carrier, connector means and one or more second flowlines toward said guide assembly and flowline guide structure to engage said connector means with said alignment means whereby said connector means is positionable in alignment with said end portions of said one or more first flowlines, and means for operatively connecting said one or more first flowlines and one or more second flowlines to each other, whereby fluid can flow therebetween.
Claim 11
Dependent Claim 233 words
In apparatus wherein a guidance system is disposed at and extends upwardly from the floor of a body of water and through which a well bore has been drilled into the underlying formation, the combination therewith of a flowline guide structure movable downwardly along said system to a predetermined position, flowline alignment means secured to said flowline guide structure, fluid flow apparatus including one or more first flowlines and lowered along said system into communication with the well bore with end portions of said one or more flowlines facing said alignment means, a guide assembly lowered along said system to a location adjacent to said flowline guide structure, a carrier, one or more second flowlines carried by said carrier and adapted to be lowered therewith through the body of water after said flowline guide structure has been moved to said predetermined position, connector means secured to said one or more second flowlines, and means interconnecting said guide assembly and carrier for pulling said carrier, connector means and one or more second flowlines toward said guide assembly and flowline guide structure to engage said connector means with said alignment means whereby said connector means is positionable in alignment with said end portions of said one or more first flowlines, and means for operatively connecting said one or more first flowlines and one or more second flowlines to each other, whereby fluid can flow therebetween.
Claim 12
Dependent Claim 272 words
In apparatus wherein a guidance structure is disposed at and extends upwardly from the floor of a body of water and through which a well bore has been drilled into the underlying formation, the guidance structure including upwardly extending guide posts and guide lines extending upwardly from the posts, the combination therewith of a flowline guide structure movable along one or more selected guide lines and over one or more guide posts connected thereto, flowline alignment means secured to said flowline guide structure, fluid flow apparatus including one or more first flowlines and lowered down the guide lines and over the guide posts into communication with the well bore with end portions of said one or more flowlines facing said alignment means, a guide assembly lowered along said one or more selected guide lines and over said one or more guide posts connected thereto, a carrier, one or more second flowlines carried by said carrier and adapted to be lowered therewith through the body of water after said flowline guide structure has been moved over said one or more guide posts, connector means secured to said one or more second flowlines, and means interconnecting said guide assembly and carrier for pulling said carrier, connector means and one or more second flowlines toward said guide assembly and flowline guide structure to engage said connector means with said alignment means whereby said connector means is positionable in alignment with said end portions of said one or more first flowlines, and means for operatively connecting said one or more first flowlines and one or more second flowlines to each other, whereby fluid can flow therebetween.
Claim 13
Dependent Claim 272 words
In apparatus wherein a guidance structure is disposed at and extends upwardly from the floor of a body of water and through which a well bore has been drilled into the underlying formation, the guidance structure including upwardly extending guide posts and guide lines extending upwardly from the posts, the combination therewith of a flowline guide structure movable along one or more selected guide lines and over one or more guide posts connected thereto, flowline alignment means secured to said flowline guide structure, fluid flow apparatus including one or more first flowlines and lowered down the guide lines and over the guide posts into communication with the well bore with end portions of said one or more flowlines facing said alignment means, a guide assembly lowered along said one or more selected guide lines and over said one or more guide posts connected thereto, a carrier, one or more second flowlines carried by said carrier and adapted to be lowered therewith through the body of water after said flowline guide structure has been moved over said one or more guide posts, connector means secured to said one or more second flowlines, and means interconnecting said guide assembly and carrier for pulling said carrier, connector means and one or more second flowlines toward said guide assembly and flowline guide structure to engage said connector means with said alignment means whereby said connector means is positionable in alignment with said end portions of said one or more first flowlines, and means for operatively connecting said one or more first flowlines and one or more second flowlines to each other, whereby fluid can flow therebetween.
Claim 14
Dependent Claim 25 words
In apparatus as defined in claim 9; means releasably securing said guide assembly to said flowline guide structure, and means for releasing said securing means.
Claim 15
Dependent Claim 20 words
In apparatus as defined in claim 9; and means releasably securing said carrier to said one or more second flowlines.
Claim 16
Dependent Claim 37 words
In apparatus as defined in claim 9; means releasably securing said guide assembly to said flowline guide structure, means for releasing said securing means, and means releasably securing said carrier to said one or more second flowlines.
Claim 17
Dependent Claim 61 words
In apparatus as defined in claim 9; said guide assembly including one or more funnels, said carrier including one or more probes receivable in said one or more funnels to engage said connector means with said alignment means, said pulling means including one or more lines connected to said one or more probes and passing through said one or more funnels.
Claim 18
Dependent Claim 79 words
In apparatus as defined in claim 9; said guide assembly including one or more funnels, said carrier including one or more probes receivable in said one or more funnels to engage said connector means with said alignment means, said pulling means including one or more lines connected to said one or more probes and passing through said one or more funnels; means releasably securing said guide assembly to said flowline guide structure, and Means for releasing said securing means.
Claim 19
Dependent Claim 92 words
In apparatus as defined in claim 9; said guide assembly including one or more funnels, said carrier including one or more probes receivable in said one or more funnels to engage said connector means with said alignment means, said pulling means including one or more lines connected to said one or more probes and passing through said one or more funnels; means releasably securing said guide assembly to said flowline guide structure, and means for releasing said securing means; and means releasably securing said carrier to said one or more second flowlines.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-03-19 1976-09-18 1977-03-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-03-19 1980-09-18 1981-03-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-03-19 1984-09-18 1985-03-20 $7700.00 Window Closed / Lapsed

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