"completion string" meaning in English

{
  "forms": [
    {
      "form": "completion strings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "completion string (plural completion strings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Oil industry",
          "orig": "en:Oil industry",
          "parents": [
            "Industries",
            "Petroleum",
            "Business",
            "Fossil fuels",
            "Liquids",
            "Economics",
            "Society",
            "Carbon",
            "Energy",
            "Natural resources",
            "Matter",
            "Social sciences",
            "All topics",
            "Carbon group elements",
            "Nature",
            "Chemistry",
            "Sciences",
            "Fundamental",
            "Chemical elements"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2005, Paul Carter, Don't Tell Mum I Work on the Rigs, Crows Nest: Allen and Unwin, page 44:",
          "text": "The rig simply retrieves the old pipe and runs a new pipe back in the hole (the completion string).",
          "type": "quote"
        }
      ],
      "glosses": [
        "A column of drill pipe that prepares the well for the transmission of production fluids."
      ],
      "id": "en-completion_string-en-noun-vt27dPak",
      "links": [
        [
          "drill pipe",
          "drill pipe"
        ],
        [
          "production fluid",
          "production fluid"
        ]
      ],
      "qualifier": "oil industry",
      "raw_glosses": [
        "(oil industry) A column of drill pipe that prepares the well for the transmission of production fluids."
      ]
    }
  ],
  "word": "completion string"
}

{
  "forms": [
    {
      "form": "completion strings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "completion string (plural completion strings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Oil industry"
      ],
      "examples": [
        {
          "ref": "2005, Paul Carter, Don't Tell Mum I Work on the Rigs, Crows Nest: Allen and Unwin, page 44:",
          "text": "The rig simply retrieves the old pipe and runs a new pipe back in the hole (the completion string).",
          "type": "quote"
        }
      ],
      "glosses": [
        "A column of drill pipe that prepares the well for the transmission of production fluids."
      ],
      "links": [
        [
          "drill pipe",
          "drill pipe"
        ],
        [
          "production fluid",
          "production fluid"
        ]
      ],
      "qualifier": "oil industry",
      "raw_glosses": [
        "(oil industry) A column of drill pipe that prepares the well for the transmission of production fluids."
      ]
    }
  ],
  "word": "completion string"
}